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• Predicting overall seal failure
  #REDIRECT [[Seal failure prediction]]
  37 bytes (4 words) - 18:21, 21 August 2014
• Seal failure prediction
  ==Seal failure timing== ...rapping, so an [[accumulation]] does not form in the first place. Top-seal failure after [[Calculating charge volume|charging]] is most likely caused by [[Fra
  4 KB (571 words) - 18:06, 1 February 2022

Page text matches

• Predicting overall seal failure
  #REDIRECT [[Seal failure prediction]]
  37 bytes (4 words) - 18:21, 21 August 2014
• Ductility
  ...tegrity. Rocks with an extremely high ductility can deform without brittle failure. On the other hand, rocks with low ductility can accommodate only a small a
  990 bytes (151 words) - 14:30, 27 January 2016
• Trap leakage
  Five major seal failure mechanisms form the basis for this section's discussion on seal leakage. ==Seal failure mechanisms==
  3 KB (445 words) - 16:58, 1 February 2022
• Intact membrane seal leakage
  ...itations on the height of the petroleum column due to intact membrane seal failure can be evaluated by [[Capillary_pressure#Measuring_capillary_pressure|labor * [[Seal failure prediction]]
  3 KB (475 words) - 17:08, 1 February 2022
• Fractured membrane seal leakage
  ...ssure#Measuring_capillary_pressure|capillary-pressure tests]] because seal failure is through the fractures, not the matrix pore network. ...ill fail by fracture. The more brittle the lithology, the more likely seal failure will occur with deformation. Thick seals are less likely to fail by fractur
  3 KB (478 words) - 17:09, 1 February 2022
• Seal failure prediction
  ==Seal failure timing== ...rapping, so an [[accumulation]] does not form in the first place. Top-seal failure after [[Calculating charge volume|charging]] is most likely caused by [[Fra
  4 KB (571 words) - 18:06, 1 February 2022
• Hydrofractured seal leakage
  Hydraulic fracture seal failure affects all rock types, but the fracture gradient is a function of rock typ ...ch lower densities than oil, gas columns are more likely to have hydraulic failure than oil columns of the same height in similar settings.
  5 KB (679 words) - 17:11, 1 February 2022
• Top seal strain estimation
  ==Empirical threshold for top seal failure== ...asin to basin. In a frontier setting, estimates of the strain required for failure must be based on (1) laboratory data on seal properties and (2) estimates o
  5 KB (757 words) - 15:43, 30 March 2022
• Structural exploration: location selection
  ...a location and designing a well data program, we need to plan for possible failure by asking the following questions:
  4 KB (545 words) - 18:52, 3 February 2022
• Micropermeable seal leakage
  Micropermeable leakage is caused by a variety of seal failure mechanisms, as discussed in the following sections. ...Europe]: AAPG Bulletin, vol. 65, p. 2341–2363.</ref> The mechanism of seal failure leading to a micropermeable seal is undocumented, but overlying Paleocene s
  5 KB (742 words) - 17:11, 1 February 2022
• Top and fault seal evaluation
  ...cement, [[Reserves estimation|ultimate recovery]], and economic success or failure depend on [[Risk: expected value and chance of success|risking]] seal. * [[Seal failure prediction]]
  4 KB (528 words) - 17:48, 24 March 2022
• Seal ductility
  ...ith an extremely high ductility can deform without [[Brittleness|brittle]] failure. On the other hand, rocks with low ductility can accommodate only a small a
  4 KB (510 words) - 15:22, 30 March 2022
• Top seal ductility estimation
  .... Highly compacted, dense shales are extremely brittle and undergo brittle failure and loss of top seal integrity with very small amounts of strain. ...han approximately 2.1 g/cm³ deform ductilely and not by brittle failure at the range of confining pressures found in most sedimentary basins.
  7 KB (1,000 words) - 15:22, 30 March 2022
• Fracture threshold in the real world
  ...re pressure. Other factors, not yet understood, control the point at which failure occurs. ...and lithostatic pressure|lithostatic pressure]] for [[Brittleness|brittle failure]] to occur.<ref name=ch10r52>Lorenz, J. C., L. W. Teufel, and N. R. Warpins
  6 KB (930 words) - 15:49, 30 March 2022
• Overpressure and hydrocarbon distribution, Gulf Coast
  ...atural hydraulic fracturing of top seals|hydraulic fracturing]] and [[Seal failure prediction|seal integrity]] influence the vertical distribution of [[hydroc ...al_fig10-46.png|Figure 2]]. This pattern is consistent with loss of [[Seal failure prediction|top seal integrity]] because of [[Natural hydraulic fracturing o
  4 KB (605 words) - 20:30, 30 March 2022
• Economics: fundamental equations for oil and gas property evaluation
  ...by adding one additional important consideration: the chance of success or failure. This leads to the expected value of the venture, as shown by Equation (3): ::<math> - \text{ Chance of failure (after-tax dry hole cost + associated geotechnical and lease costs)}</math>
  6 KB (842 words) - 19:26, 19 January 2022
• Top seal integrity: Central Graben example
  ==Strain threshold for failure==
  6 KB (910 words) - 15:44, 30 March 2022
• Diffusive seal leakage
  * [[Seal failure prediction]]
  3 KB (410 words) - 18:03, 1 February 2022
• Economics of property acquisitions
  ...ility is used to define the chance of commercial success and the chance of failure (as described in [[Expected value and chance of success]]). This allows det | Chance of failure (achieve less than minimum commercial PV) = 20%
  11 KB (1,584 words) - 16:04, 21 January 2022
• Risk: expected value and chance of success
  ...velopment well]]s and projects succeed either, so the consequences of such failure must be considered in appraising the economic merit of a proposed developme ...alue})~-~</math><br><math>\text{Probability}_\text{failure} (\text{Cost of failure})</math>
  22 KB (3,173 words) - 19:27, 19 January 2022
• Fishing
  * Failure of surface equipment, especially pumps, which allows the hole to cave in an * Drill string failure from such causes as metal fatigue, H₂S embrittlement, differenti
  8 KB (1,156 words) - 21:19, 19 January 2022
• Production problems
  ...problem with the well, resulting either in a decrease in production or in failure of equipment installed downhole or at the surface. Most of the serious prob ...on-problems_fig4.png|thumb|300px|{{figure number|4}}Examples of mechanical failure.]]
  16 KB (2,540 words) - 18:41, 20 January 2022
• Drilling problems
  ...applied to the bit. Severe doglegs can result in stuck casing, drill pipe failure, and inability to run [http://www.glossary.oilfield.slb.com/en/Terms/c/casi
  5 KB (732 words) - 21:18, 19 January 2022
• Stratigraphic trap seals
  ...the need for high-quality seals increases, raising the probability of trap failure.<ref name=ch21r19>Gries, R., Dolson, J., C., Reynolds, R., G., H., 1993, [h
  5 KB (632 words) - 20:26, 3 February 2022
• Practical suggestions for oil correlation
  ...hemical conclusions must ultimately be consistent with the geologic facts. Failure to properly integrate geologic and geochemical data can lead to geochemical
  5 KB (718 words) - 17:24, 15 February 2022
• Conventional coring
  ...]] settings. The marine barrel increases the margin of safety against tool failure, but is restricted to cutting a 3-in.-diameter core. ...que to be applied to the bit and improve the margin of safety against tool failure.
  13 KB (1,885 words) - 20:49, 19 January 2022
• Mudlogging: the mudlog
  ...an effect on overall log interpretation (such as loss of returns and power failure)
  5 KB (752 words) - 15:39, 24 January 2022
• Stimulation
  ...acturing fluid used in the operation is recovered. However, the success or failure of the fracture treatment does not usually correlate with the percentage of Rather, the success or failure of the fracturing treatment depends more upon how successfully the proppant
  24 KB (3,633 words) - 13:55, 24 January 2022
• Trap geometry: changes
  ...elationships, gives the range of times for trapping geometry formation and failure.
  6 KB (845 words) - 15:29, 1 February 2022
• Formation fluid pressure from repeat formation testers
  * Packer failure
  6 KB (849 words) - 17:55, 17 February 2022
• Core orientation
  * At high latitudes, most techniques are prone to failure for similar reasons: the inclination of the ambient earth's field makes an ...e time is extended. Tandem systems are recommended to reduce the chance of failure.
  13 KB (1,964 words) - 20:50, 19 January 2022
• Reducing exploration risk
  ...has equal weight because if any variable is absent (0), the prospect is a failure; if all variables are present (1.0), the prospect is a commercial success.
  8 KB (1,240 words) - 20:43, 25 January 2022
• Making regional structural cross sections
  ...oading by sediment and gravitational forces. Basinward gravitational slope failure forms major [[growth fault]] systems on the upper slope and toe-thrust stru
  7 KB (970 words) - 20:33, 18 February 2022
• Rate of penetration
  * M = threshold weight, or the WOB needed to cause formation failure, generally taken from tables
  7 KB (1,049 words) - 19:02, 20 January 2022
• Economics: key parameters
  ...to account the probabilities of success and failure as well as the cost of failure. Thus, it is a “risked” value and is the amount the company could expec
  19 KB (2,745 words) - 21:18, 19 January 2022
• South Pass 62 field
  ...profitable and productive wells (C20st, A8st), as well as the most costly failure (D34).
  9 KB (1,290 words) - 21:18, 19 October 2016
• Forward modeling of seismic data
  ...of-plane structures or dip requires the use of three-dimensional modeling. Failure to use models of the correct dimension can give rise to appreciable travelt
  10 KB (1,513 words) - 21:16, 19 January 2022
• Risk: dealing with risk aversion
  ...), the magnitude of potential gain (or loss), and the chance of success or failure. Risk aversion makes small and large firms respond differently to the same
  10 KB (1,487 words) - 18:22, 21 January 2022
• Oil and gas contracts
  # Handling of title examination and the effect of loss or failure of title upon a party's interest
  13 KB (1,979 words) - 19:26, 19 January 2022
• Drill stem testing
  ...erify that the bottom packers were holding. In most cases of straddle test failure, it is the bottom packers that fail. file:drill-stem-testing_fig8.png|{{figure number|8}}Bottom packer failure. Blanked off gauge below bottom packer on a straddle test. When the bottom
  26 KB (4,009 words) - 15:09, 24 January 2022
• Fault seal analysis for reservoir development
  ...p. 723-760.</ref>, it has been estimated that the minimum caprock membrane failure value of oil saturation is between 4.5 - 17% with an average of 10% based o
  14 KB (2,146 words) - 19:35, 13 September 2022
• Structural geology
  Brittle Failure
  14 KB (2,168 words) - 21:31, 13 March 2019
• Land description and maps
  ...ce. A defective description is one of the most frequent instances of title failure. In order for title to pass, the property description ... must describe the
  15 KB (2,269 words) - 19:25, 19 January 2022
• Tectonic modeling
  ...experimental and microstructural parameters on the transition from brittle failure to cataclastic flow of carbonate: Tectonophysics, vol. 258, p. 151–169, D
  16 KB (2,083 words) - 21:28, 2 February 2022
• Shale tectonics
  ...ildup of pressure beyond confining stresses of the overburden, sudden mass failure downslope of the overburden, regional compression, or seismicity.
  17 KB (2,466 words) - 16:16, 10 January 2024
• Reservoir simulation study
  ...ulting in the incorrect rate of production for the second producing phase. Failure to model larger scale features properly, such as interlayer communication,
  19 KB (2,711 words) - 17:48, 21 January 2022
• Influence of mechanical stratigraphy on deformation styles
  ...mechanical properties and creates rocks that are more susceptible to shear failure. High clay content accounts for strong shear strain and high concentration
  23 KB (3,162 words) - 17:28, 5 December 2023
• Cash flow model
  :^{Cost of Failure is assumed to be the after tax cost of 2 [[dry hole]]s.}<br>
  19 KB (2,272 words) - 19:27, 19 January 2022
• Types of wells
  ...reservoir. Although they are more expensive to drill and are more prone to failure, horizontal wells often produce at several times the rate of an equivalent
  22 KB (3,567 words) - 17:20, 11 March 2019
• Well types
  ...reservoir. Although they are more expensive to drill and are more prone to failure, horizontal wells often produce at several times the rate of an equivalent
  24 KB (3,753 words) - 19:33, 3 March 2016

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