Search results

• Total organic carbon (TOC)
  ==Average TOCs== The table below<ref name=ch06r3 /> shows average TOC values for different sedimentary rock types.
  3 KB (428 words) - 16:33, 13 April 2022
• AAPG Wiki:Personas
  * Average age of employees in the industry is 50-52. ** The average age of the geophysical department in Houston is 58 years.
  1 KB (225 words) - 13:31, 6 August 2013
• Geostatic and lithostatic pressure
  * ρ_m = weighted average of grain (mineral) density (sandstone and shale = 2.65 g/cm³, li * ρ_w = weighted average of pore-water density (g/cm³)
  3 KB (402 words) - 14:47, 16 February 2022
• Seismic data and mapping structure
  ...ssic || Mapping a surface of interest (from data) using [[Average velocity|average velocities]]
  2 KB (320 words) - 19:10, 27 January 2022
• Natural-gas liquids
  ...ield to petroleum field and from country to country, and the overall world average can only be calculated based on reliable statistics for gas and NGL, statis
  4 KB (549 words) - 16:31, 25 June 2015
• Static gas pressure gradient estimation
  ...ormation-fluid-pressure-and-its-application_fig5-11.png|{{figure number|4}}Average gas chart. Copyright: Gearhart-Owens.<ref name=G-O>Gearhart-Owens Industrie ...tion or formation temperature are available, estimate gas density from the average gas chart ([[:file:formation-fluid-pressure-and-its-application_fig5-11.png
  7 KB (979 words) - 15:24, 17 February 2022
• Geothermal gradient
  ...culating groundwater, and the cooling effect of drilling fluids. Worldwide average geothermal gradients are from 24 to 41&deg;C/km (1.3-2.2&deg;F/100 ft), wit
  901 bytes (127 words) - 19:53, 25 June 2015
• Magnetotellurics
  ...is a function of both frequency at which the measurement is taken and the average resistivity of the subsurface || Depth of investigation is the depth of the | Respond only to changes in average bulk resistivity || Respond to individual rock layers along the wall of the
  3 KB (486 words) - 17:53, 25 January 2022
• Rock quality
  ...w unit 2 is a macroporous, oolitic [[limestone]]. Its average Φ is 10% and average K_a is 10 md. ...found the best correlation to be r₃₅ because that is where the average modal pore aperture occurs and where the pore network is developed to the p
  10 KB (1,534 words) - 16:53, 4 April 2022
• Hydrostatic pressure-depth plot construction
  The formation fluid pressure at any depth in a well is a function of the average formation water density (ave. ρ_w) above that depth, not the den ...pressure is not available for a well, find out the accepted rule-of-thumb average hydrostatic pressure gradient for the depth of the zone of interest where t
  7 KB (895 words) - 18:57, 16 February 2022
• New Albany Shale, Illinois Basin, southwestern Indiana
  ...ed to banded shales with interbedded greenish-gray bioturbated shales. The average total organic carbon content is 6−7 wt. %, ranging from < 1 to 20 wt. %. ...e initial potential of the NAS gas wells ranged from 567 to 11,327 m3/day (average 5295 m3/day), but the initial production to the pipeline is significantly l
  7 KB (1,107 words) - 21:50, 4 March 2022
• Tight gas reservoirs: evaluation
  ...|{{figure number|3}}Histograms showing (a) average porosity values and (b) average permeability values for cored tight gas reservoir facies. (From Moslow and ...values of porosity and permeability are acceptable and expected. While the average air permeability values rarely exceed 1.0 md (millidarcy) for tight gas res
  11 KB (1,444 words) - 21:26, 4 January 2024
• Economics: fundamental equations for oil and gas property evaluation
  ...ures will result in successes and some will result in failures, but on the average, we expect to make the expected net present value.
  6 KB (842 words) - 19:26, 19 January 2022
• AAPG Wiki:Project timeline
  ...es, so each chapter will become some number of wiki articles, perhaps 3 on average. So we anticipate that the manual will result in about 400 articles. In the
  2 KB (333 words) - 18:09, 15 July 2013
• Barnett shale play
  ...eraged 4,920 MMCF/day. The field also produced oil and condensate at an average rate of 3,207 and 15,757 bbls/day respectively in 2014. Latest production
  6 KB (909 words) - 19:24, 14 March 2019
• Statistics overview
  ...a population and that the average sample value approximates the population average. This is only possible if both high and low values are sampled without bias There are three measures of characterizing a population by describing the average value, or its central tendency. The most familiar measure is the ''arithmet
  16 KB (2,483 words) - 19:28, 19 January 2022
• Seismic data - creating an integrated structure map
  ....png|{{figure number|2}}Hypothetical well with important reference points; average velocity map for the Wilcox Formation in the Glenn Pool survey. From Liner. ...2]] shows a hypothetical well with important reference points as well the average velocity map for the Wilcox Formation in the Glenn Pool survey. This map ha
  7 KB (1,117 words) - 17:51, 25 January 2022
• Sandstone diagenetic processes
  ...ption#Maturity|sorting]], quartz content, and burial depth probably has an average porosity of approximately 13%.
  7 KB (870 words) - 20:30, 5 April 2022
• Reservoir simulation study
  ...l capillary pressure and relative permeability curves for each grid block, average curves can be derived for several ranges of porosity and permeability value ...lculated for series flow (geometric average) and parallel flow (arithmetic average). © Lishman,<ref name=Lishman>Lishman, J. R., 1970, Core permeability anis
  19 KB (2,711 words) - 17:48, 21 January 2022
• Vibro-sesismic to increasing the production rate of coal bed methane
  ...is 0.15%-0.57%. and after vibration can reacht decrease Sor untul 68% with average 66.1 %. From the result above, there is the same result beetwen sysntesis c
  11 KB (1,551 words) - 16:49, 11 January 2016
• Seismic data - mapping with two-dimensional data
  ...uction requires a base map and velocity data. The object is to contour the average velocity down to an event. ...ver, they generally approximate the root mean square velocities from which average velocities can be calculated.
  13 KB (1,936 words) - 21:29, 21 January 2022
• Eagle Ford Group in southwest Texas (USGS)
  [[file:Figure3EagleFord2019-20CommRept.jpg|300px|thumb|{{figure number|3}}Average monthly daily production rates for crude oil from the Eagle Ford (U.S. EIA, ...strata brittle and amenable to fracture propagation. Completed wells show average initial production rates (first full month) of ~600 bbls/day for oil and 20
  11 KB (1,594 words) - 19:15, 8 February 2024
• Reservoir modeling for simulation purposes
  ...presented and that the individual layers and bodies can be described using average petrophysical properties that lead to realistic flow simulations. For this ...age. The more random the permeability, the closer it gets to the geometric average. Geostatistical methods have become popular to tackle these problems.<ref n
  17 KB (2,234 words) - 21:21, 19 January 2022
• Electrical methods
  ..., occur over such limited formation thicknesses that their effects on bulk average resistivity is, in most cases, undetectable. ...ous sedimentary formations in most instances has little effect on the bulk average resistivity since the additional fracture [[porosity]] changes the already
  15 KB (2,130 words) - 21:19, 19 January 2022
• Pore throat size and connectivity
  ...pore size presents problems. For example, how do we accurately measure and average pore size in rocks with poorly sorted pore sizes?
  4 KB (650 words) - 14:23, 4 April 2022
• Magnetics: total intensity and residual magnetic maps
  ...th's normal magnetic field is removed. It is generally a reflection of the average magnetic susceptibility of broad, large-scale geologic features.
  4 KB (618 words) - 19:55, 27 January 2022
• Main Central Thrust
  ...value of -21.5 has been reported in the Lesser Himalayan Sequence while an average [[Nd]] value of -16 has been reported in the Greater Himalayan Sequence) ma
  10 KB (1,434 words) - 15:39, 20 January 2016
• Hydroelectric power
  ...ct that most technically attractive sites have already been developed. The average large dam today is about 35 years old.
  10 KB (1,466 words) - 16:06, 11 January 2016
• Displacement pressure: theory vs. reality
  ...ional systems]].) Measured displacement pressures of the top seal have an average range of 150–200 psi (air-mercury) and can seal 10.86–12.64 m of oil. T
  4 KB (587 words) - 13:36, 1 April 2022
• Density-neutron log porosity
  Use the lithology matrix densities to determine porosity and average P_e to determine lithology listed in the table below. ! Lithology || Density, g/cc || Average pe
  12 KB (1,763 words) - 16:18, 5 April 2022
• China Shale Gas & Liquids - Bohai Bay Basin
  ...is in overall good-very good source rock containing Type I-II kerogen, in average of 3.6% TOC, and at the oil-mature stage with 0.68% to 1.16% Ro (Zhao et al ...cteristic of high sulphur content (~2.3%), high resins and asphaltenes (in average 39.7% and 11.2%, respectively), and therefore, high density and viscosity (
  8 KB (1,251 words) - 15:51, 14 March 2022
• Parasequences (fourth- and fifth-order sequences)
  ...ort duration—generally less than 10,000 years. Periodic parasequences have average durations of 100,000 years.
  5 KB (619 words) - 22:26, 3 February 2022
• Pressure transient testing
  * [[Permeability]] to the produced phase (oil, gas, or water), which is an average value within the radius of investigation achieved in the test * Current average pressure in the drainage area of the tested well
  15 KB (2,314 words) - 17:45, 21 January 2022
• Formation water density
  #*::: T_s = average surface temperature (°F)
  5 KB (714 words) - 15:19, 13 September 2022
• Hydrocarbon accumulation: the seven critical elements
  * Average [[Wikipedia:Fault_(geology)#Slip.2C_heave.2C_throw|throw]] on faults
  5 KB (636 words) - 21:47, 1 February 2022
• History of oil
  ...1972 million bbl per year in 1950 to 3522 million bbl per year in 1971, an average growth of almost 74 million bbl annually. It decreased until the initiation
  5 KB (778 words) - 21:14, 12 March 2019
• Niobrara & Codell of the Denver-Julesburg Basin
  ...canceled. Compared to an average rig count of 26 during 2019, 2020 saw an average rig count of 9 throughout the year, four of which were focused on the Niobr
  9 KB (1,412 words) - 21:46, 3 March 2022
• Dipmeter
  ...tion of the contact exposed is liable to be highly unrepresentative of the average structural dip. Outcrop perspectives cannot be extrapolated to the borehole ..., shale laminations tend to be parallel to one another and parallel to the average of most lithological bed boundaries. In dipmeter computations, there are a
  14 KB (2,128 words) - 17:25, 18 January 2022
• Haynesville and Bossier Shales (Upper Jurassic), East Texas and Northwest Louisiana
  ...t” related to higher percent weight of total organic content (TOC), higher average total porosity and higher original gas in place (OGIP; Fig. 4); however, in
  4 KB (628 words) - 23:05, 3 March 2022
• Fracture analysis
  ...pages.com/data/bulletns/1994-96/data/pg/0080/0010/1550/1565.htm Estimating average fracture spacing in subsurface rock]: AAPG Bulletin, vol. 80, p. 1565–158
  5 KB (644 words) - 15:30, 3 February 2022
• Top seal strain estimation
  ...calculations of stain may be warranted. Incremental strain analysis is an average of strain over the entire structure. Local areas of high strain can have im
  5 KB (757 words) - 15:43, 30 March 2022
• Eagle Ford Group, southwest Texas
  ...strata brittle and amenable to fracture propagation. Completed wells show average initial production rates (first full month) of ~600 barrels (bbl) per day f ...Ford drilling to be profitable, with values ranging from $26 to 63 with an average of $44 (Geman, 2021). The report noted that while the oil price as of summe
  10 KB (1,550 words) - 21:50, 3 March 2022
• Borehole gravity tool
  .... The wireline must stop at each individual station, and the tool takes an average of 5–15 min per station for a reading. This means a typical borehole grav
  5 KB (720 words) - 18:07, 24 January 2022
• Geothermal energy
  ...ental%20shield continental shields], which are characterized by lower-than-average geothermal gradient. ...to the surface. It is read in joules per second. It is estimated that the average is 42 x 1012 J/sec and has two different sources (See [[:File:Figure 1.png|
  13 KB (1,918 words) - 18:12, 2 April 2019
• Spontaneous potential logs in water resistivity calculation
  * T_s = average surface temperature
  6 KB (1,027 words) - 16:40, 5 April 2022
• Measuring displacement pressure using mercury injection
  ...uired to create a continuous hydrocarbon filament range from 5–17% with an average of 10%.<ref name=ch10r67 />
  5 KB (749 words) - 19:46, 31 March 2022
• Permeability
  ...rithmetic average. Comparison of core permeabilities shows that arithmetic average permeabilities values generally agree with well test permeabilities.
  19 KB (2,716 words) - 19:02, 20 January 2022
• Using and improving surface models built by computer
  ...polated values for a weighted average algorithm tend to “come back” to the average of near data values. (b) Acceptable surface extrapolation achieved by creat ...appropriate for. A general rule of thumb is that least squares or weighted average algorithms work best when modeling gently undulating horizontal surfaces. A
  40 KB (6,039 words) - 20:49, 19 January 2022
• Morphometric and particle analysis
  ...:applied-paleontology_fig17-33.png|Figure 1]] shows changes vs. age in the average morphometrically defined shape of tests in populations of the planktonic fo
  5 KB (718 words) - 20:59, 31 January 2022
• Magnetic field: local variations
  ...ment blocks of different lithologies and magnetic susceptibilities. If the average magnetic susceptibilities (''k''₁ and ''k''₂) of the
  6 KB (946 words) - 19:56, 27 January 2022
• Australia, Northern TerritoryVelkerri Formation, Beetaloo Sub-basin
  ...ocarbon generation is estimated to occur at thermal maturity quantified by average equivalent vitrinite reflectance of 0.95 %EqVR (equivalent vitrinite reflec ...days, producing a total of 66 TJ of dry gas (CH4 >90% with CO2 ~3%) at an average rate of 1.15 TJ/d, with a final rate of 1.12 TJ/d<ref name=Cls2017 />.
  11 KB (1,597 words) - 15:02, 9 January 2024
• Production testing
  ...ity tests that typically involve a measurement (or estimate) of initial or average reservoir pressure and a measurement of flow rate and flowing bottomhole pr * <math>\bar{p}</math> = initial or current average reservoir pressure (psia)
  14 KB (2,165 words) - 18:42, 20 January 2022
• Formation fluid pressure from drill stem tests
  ...pressure using a Horner plot and finds that pressures must be increased an average of 10 psi.
  6 KB (997 words) - 17:55, 17 February 2022
• Uncertainties impacting reserves, revenue, and costs
  ...ng the area under the curve into two equal parts, whereas the ''mean'' (or average) lies to the right of the median ([[:Image:Charles-l-vavra-john-g-kaldi-rob ...e power of independent multiple estimates. If it is possible to obtain and average three or four independent estimates derived from the same data set, the acc
  21 KB (3,123 words) - 19:27, 19 January 2022
• Age model chart
  ...obigerinoides mitra'' (4.15 Ma) and ''P. lacunosa'' (0.8 Ma) bioevents and average 330,000 years duration. These 16 cycles are interpreted as regionally signi
  13 KB (1,871 words) - 20:06, 24 February 2022
• Covenant field
  | colspan = 4 | Average water saturation, 38%
  6 KB (897 words) - 19:39, 14 February 2017
• Contourites
  ...more interaction with the climate and weather changes, presenting with an average temperature of 20 ° C. Beneath these waters, temperatures drop about 5 ° ...mple is the basin of Argentina that reaches cover an area 1,000,000km2. On average, its width, ranging from tens to hundreds of kilometers and its thickness f
  13 KB (1,889 words) - 19:11, 6 April 2016
• Petroleum system concept: examples of application
  * Accumulations containing oil that migrated long distances on average account for 50% of the entrapped oil.
  7 KB (1,083 words) - 21:59, 25 January 2022
• Economics: time value of money
  ...ounted cash flow rate of return (DCFROR) calculations. When the post audit average constant purchasing power rate of return is used as the discount rate in ne
  12 KB (1,101 words) - 15:13, 14 April 2022
• Standard interpretation
  ...methods of estimating porosity from sonic measurements are the Wyllie time average method and the Raymer-Hunt-Gardner field observation method. Both methods r ...proximate and is set equal to 0.9 for oil and 0.7 for gas. The Wyllie time average equation is
  25 KB (3,776 words) - 19:53, 18 January 2022
• Bakken and Three Forks Formations, Williston Basin, North Dakota and Montana
  ...he system are the organic-rich upper and lower shales of the Bakken, which average approximately 11% total organic carbon (TOC) and contain Type II kerogen. T
  7 KB (1,004 words) - 22:08, 4 March 2022
• Reservoir
  [[File:Average permeability.jpg|300px|thumbnail|right|{{figure number|1|}}Average permeability for various producing fields on the UK and Norwegian continent
  14 KB (2,134 words) - 16:48, 26 March 2019
• Relationship between porosity and permeability on fractured basement reservoir
  ...ohm-m, and the resistivity of the formation of the inner = 85 ohm- m. The average porosity of the reservoir (17%) obtained from neutron log. Mud loss is thou # If the average water saturation that isn’t reduced from log analysis is 24%, calculate t
  29 KB (4,601 words) - 16:09, 12 April 2016
• Silurian Qusaiba shales
  ...mation|Tuwaiq Mountain]] Formations as the principal source rocks, with an average resident [[TOC]] content of about 3.5 wt.%, and sometimes as high as 14.3 w ...ral [[Saudi Arabia]], as well as in the northwest Saudi Arabia, and has an average [[TOC]] content of about 5 wt.%, with maximum values as high as 20 wt.% (Co
  18 KB (2,569 words) - 22:50, 8 January 2019
• China Shale Gas & Liquids - Sichuan Basin
  ...). The commercially producing shale interval has a thickness of 20-40m, an average TOC content of 2-4%, vitrinite reflectance (Ro) of 2-3.5%, porosity of 1.85
  7 KB (985 words) - 18:54, 4 December 2023
• Pinedale field
  M107FG2.jpg|{{figure number|2}}Average drill times from spud to attaining total depth (blue bars) for wells drille ...nificant performance improvements in drilling and completion efficiencies. Average drilling times have dropped from more than 60 days per well in the early 20
  16 KB (2,521 words) - 17:13, 29 January 2016
• Iran petroleum systems
  ...27.5 to −26 PDB (average −26.4) for the [[kerogen]], and from −28 to −26, (average −26.6) for the extracted bitumen. These values are compatible with the ca
  27 KB (3,901 words) - 13:51, 26 January 2017
• Eolian reservoirs
  ...lian sandstone in the Permian De Chelly Sandstone in northern Arizona. The average thickness of cross-bed sets is about 6 m (20 ft). The width-to-thickness ra ...s 7:1. The permeability ratio between the coarse and fine laminae gives an average value of 11:1 with a maximum value of 75:1.
  19 KB (2,690 words) - 18:42, 1 August 2016
• Geologic mapping (UB)
  ...height of a region in the form of [[contour]] height measured against the average sea level.
  10 KB (1,547 words) - 14:07, 19 March 2019
• Checkshots and vertical seismic profiles
  ...visable to record traveltimes from shots on opposite sides of the well and average the times so that the checkshot values are not biased with a velocity that
  11 KB (1,599 words) - 20:48, 19 January 2022
• Stimulation
  ...tion problems on the basis of formation permeability. Formations having an average effective permeability of 1 mD (millidarcy) or less generally require reser ..., consider a well that is [[depth::5000 ft]] deep in a formation having an average terrastatic gradient of 1.0 psi/ft and is also in a tectonically relaxed ar
  24 KB (3,633 words) - 13:55, 24 January 2022
• Monte Carlo and stochastic simulation methods
  ...ndeed, the greater the spatial continuity of any variable, the smaller (on average) the estimation error when interpolating an unsampled value from neighborin
  11 KB (1,623 words) - 19:24, 19 January 2022
• In-situ stress characterization and applications
  ...ess due to the tectonic movements, can be estimated using the ratio of the average horizontal stress to the vertical stress, as shown below: ::k is the ratio of the average horizontal stress to the vertical stress.
  28 KB (4,031 words) - 15:49, 28 November 2022
• Economics of property acquisitions
  ...haser guard against overbidding? Megill<ref name=pt02r11 /> shows that the average overbid in offshore continental shelf sales is about twice the size of the
  11 KB (1,584 words) - 16:04, 21 January 2022
• Deltaic reservoirs
  ...aped profile in [[cross section]]. Reynolds<ref name=Reynolds_1999 /> gave average dimensions for mouth bars of about 3 km (1.8 mi) wide and about 6.5 km (4 m ...re number|4}}A schematic delta showing a range of sand body types at their average dimensions, together with several oil and gas fields at the same scale. The
  34 KB (4,776 words) - 18:18, 5 January 2024
• Shale-gas resource systems
  ...sistent with measured values that range from about 50 to 950 mg/g, with an average of only 534 mg HC/g TOC.<ref name=Jrvie2006 /> Thus, our previous selection ...ion of marine kerogens, assuming fit through the origin. However, using an average value is not entirely satisfactory either because these marine shales show
  73 KB (10,728 words) - 18:16, 11 January 2024
• Vaca Muerta, La Luna Shale, South America
  ...vorably with all of the most prolific North American shale plays, with the average 10000 ft lateral well estimated to produce ~ 644,000 BOE combined oil and g
  11 KB (1,644 words) - 16:14, 11 May 2023
• Structural exploration: thrust belt example
  ...numbers on the sketch represent fracture intensity values expressed as the average number of fractures encountered per foot of scanline measurement at various
  14 KB (1,897 words) - 20:01, 3 February 2022
• Bakken and Three Forks Formations, Williston Basin, North Dakota and Montana (USGS)
  ...he system are the organic-rich upper and lower shales of the Bakken, which average approximately 11% total organic carbon and consist of type-II kerogen. The
  11 KB (1,595 words) - 20:20, 2 June 2021
• Drill stem testing
  ...Horner method converts total recovery and the flow time of the test to an average daily rate. The flow time using this method is the time the tool was open. | Average flowing pressure
  26 KB (4,009 words) - 15:09, 24 January 2022
• Yowlumne field
  ...14ch02f06.jpg|{{figure number|6}} Maps showing fieldwide variations in the average reservoir pressure of the Yowlumne Sandstone. The variations indicate that
  13 KB (1,896 words) - 19:02, 11 March 2019
• Core-to-log transformations and porosity-permeability relationships
  ...ast size can exceed [[length::6 in.]] or more. Any attempt to determine an average porosity from conventional core analysis would need to consider the samplin
  14 KB (1,893 words) - 20:15, 2 February 2016
• Depth and thickness conversion
  ...ce-stratigraphic-and-structural-information_fig4.png|Figure 4b]]) uses the average for the two survey points at either end of the segment.
  17 KB (2,363 words) - 16:49, 20 January 2022
• Shale-oil resource systems
  ...ly high values for OSI suggest open fractures in the shale. The TOC values average about 2.2% with less than 25% carbonate. A deeper zone from 1493.5 to 1569. ...open fractures as the oil crossover is marginal, reaching about 100 mg/g (average, 94 mg/g) in the 2793 to 3048 m (9165 to 10,000 ft) interval, with isolated
  97 KB (14,873 words) - 19:53, 11 January 2024
• Log analysis: lithology
  ...e sonic-compensated neutron crossplot exist, one that uses the Wyllie time average equation and the other the Raymer-Hunt-Gardner equation for the sonic poros ...sions of the density-sonic crossplot also exist, one using the Wyllie time average equation and the other the Raymer-Hunt-Gardner equation for the sonic poros
  25 KB (3,189 words) - 17:24, 18 January 2022
• White paper: Hydraulic fracturing
  ...actured rock always are wider than they are tall. While each is unique, an average fracture volume created by a hydraulic fracturing job in shale is on the or ...nt point: The volume of overlying rock and the pressure this creates at an average well depth of about 8,000-9,000 feet is so great that the risk of creating
  27 KB (4,076 words) - 16:33, 19 July 2016
• Fault seal analysis for reservoir development
  ...rock membrane failure value of oil saturation is between 4.5 - 17% with an average of 10% based on buoyancy pressure and capillary pressure based on laborator
  14 KB (2,146 words) - 19:35, 13 September 2022
• Carbonate sedimentary rocks classification
  ...tstones and bindstones are usually formed in medium-energy settings (below average wave base).
  16 KB (1,986 words) - 14:09, 19 December 2023
• Subduction zone
  ...n to recent. The thickness of this crust ranges from 35–40 km and 38 km on average. Continental crust is composed of two layers: upper and lower continental c ...ust creates the deepest morphology on Earth: ocean trench. Ocean trench on average has width of 50 – 100 km. As an example, Peru-Chile trench is 4500 km lon
  27 KB (4,033 words) - 20:52, 27 March 2019
• Super basins
  ...events. The Oxfordian Smackover Formation has limestones and marls with an average TOC of 3% and a type II kerogen. The Tithonian Cotton Valley- Bossier and H ...62.</ref> Fracture associated porosity varies between 2% and 12%; however, average permeability is as low as 10 millidarcies, which requires multistage hydrau
  27 KB (3,791 words) - 19:35, 11 October 2022
• Taxes
  ...(called taxable income) defined by the IRS. Wellhead taxes in most states average about 5 to 10% of the revenue, and the current corporate income tax rate va
  16 KB (1,909 words) - 15:01, 24 January 2022
• Geological heterogeneities
  ...ng- or thickening-upward sequences. ''Fining'' and ''coarsening'' refer to average relative grain size of individual laminae and beds, and ''thinning'' and ''
  17 KB (2,232 words) - 21:22, 19 January 2022
• Fluid flow fundamentals
  ...term ''k''_ro''/μ''_o''B''_o is evaluated at average reservoir pressure, ''p''_R, and saturation conditions.
  20 KB (3,155 words) - 21:20, 19 January 2022
• Jordan petroleum geology
  ...million barrels (MMBO), of which 0.86 MMBO has already been produced at an average rate of 40 barrels of oil per day. Current exploration in the country conce
  16 KB (2,310 words) - 15:13, 19 January 2017
• Wellsite math
  ''Annular velocity'' is the average speed at which the drilling fluid is moving back up the annular space as th
  21 KB (3,142 words) - 15:10, 24 January 2022
• Wattenberg field
  ...ge 0.1–0.05 md, reservoir temperature 260°F, reservoir pressure 2750 psig, average water saturation 44%, and initial potentials 100–3575 MCFGPD. Initial res ...f>. Based on core testing, the Codell Sandstone in Wattenberg Field has an average porosity and permeability of 14% and 0.1 md, respectively<refname=HigCox />
  72 KB (10,249 words) - 20:06, 15 January 2024
• Economics: key parameters
  ...is a “risked” value and is the amount the company could expect to make on average if this prospect (or ones like it) could be undertaken many times.
  19 KB (2,745 words) - 21:18, 19 January 2022
• Well log analysis for reservoir characterization
  | Average Sand || 1.45 || 1.54 ...rentiate the lithology, sandstone or carbonates have high resistivity, the average resistivity value in this well is around 8 Ωm, because of that, formation
  25 KB (3,679 words) - 21:17, 13 March 2019
• Fluid inclusions: analysis and applications
  ...rging can, however, pose a challenge, as fluids in this case represent the average composition of the various charges. Fluid inclusions entrapped within rock
  20 KB (2,691 words) - 21:06, 21 April 2022
• Risk: expected value and chance of success
  ...s a decision criterion requires repeated trials. The expected value is the average profit per decision assuming repeated trials are made.
  22 KB (3,173 words) - 19:27, 19 January 2022

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