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...tary section in a new basin, i.e., in determining whether it is 2, 5, or [[length::10 km]] thick, for example, to a usual accuracy of about ±15% under favor ...roximately 3.6 km (12,000 ft) thick and basement lies about 3.8 km (12,500 ft) beneath flight level.]]

* Most good sands can trap only [[length::50 ft]] or less of oil column. * Poor sands and siltstones can trap 50–400 ft of oil column.

...ld in the Tar Springs Formation reservoir is [[length::29 m]] [[depth::(95 ft]]). ...seal have an average range of 150–200 psi (air-mercury) and can seal 10.86–12.64 m of oil. The maximum height of the actual trapped oil column is [[depth

| Gamma ray || [[length::2 ft]] || [[length::12 in]] || Well-to-well correlation and estimates ''V''_sh || Affect

::<math>\mbox{P}_{\rm gas\ grad} = \rho_{\rm gas} \times 0.433 \mbox{ psi/ft}</math> * Molecular weight of carbon (C) = 12

...ma-gamma [[density log]]. The broader difference anomaly observed over the length of the logged interval is explained by the structural influence of the reef ...le resolution in the measurement of density over intervals of [[length::10 ft]] or more (less than 0.01 g/cm³), surveys requiring closer verti

| frompg = 12-13 | topg = 12-14

...ones that are wet but too tight to produce. Between these are [[length::30 ft]] [[depth::(8.5 m]]) of mesoto macroporous sandstone (flow units 1-4). Subsea elevation of –1,030 ft (–314 m) is marked in the depth track.

...s calculated by measuring the length of time required to drill [[length::1 ft]] of depth. This is typically done by reading the chart on the geolograph. ...pen on the geolograph places a small mark on the chart. Every [[length::5 ft]] the pen places a larger mark on the chart ([[:file:rate-of-penetration_fi

| Spontaneous potential (SP) || 6–10 ft || N/A || Well-to-well correlation, estimate ''R''_w , and indica | Gamma ray || [[length::2 ft]] || [[length::12 in]] || Well-to-well correlation and estimate ''V''_sh || Sensiti

...wells that must lift high volumes of fluids from less than [[depth::10,000 ft]] deep. ESPs are often used in the late stages of [[waterflooding]] where h ...he beam pumping system is set by the size of the downhole pump, the stroke length of the rod string, and the speed at which the rod string is reciprocated. W

| D || Vertical depth || ft | V_bpf || Volume || bbl/ft

...is highest in the organic rich Point Pleasant interval ranging from 3% to 12%. The TOC increases to the east and to the southeast. This same interval is ...a superlateral in shorter amount of time and for less money than the 6500 ft. laterals it drilled earlier.

...nd density curves are digitized at a sample interval of 0.5 to [[length::1 ft]]. (If the density curve is not available, the sonic alone may be used.) | frompg = 12-1

...oblique aerial photograph in [[:file:exploring-for-structural-traps_fig20-12.png|Figure 9]]. file:exploring-for-structural-traps_fig20-12.png|{{figure number|9}}Structures in the upper plate of the Absaroka thrust

...uses the fracture to extend from the wellbore, and this growth in fracture length is accompanied by an increase in fracture width at the wellbore and proport ...ft]] in a tectonically relaxed area with a terrastatic gradient of 1.0 psi/ft of depth. In such a shallow well, the overburden stress can be overcome mor

| topg = 12 ...s that sit on the sea floor. In moderately deep water (more than 45 m [150 ft] deep), a floating or semisubmersible rig is used. The semisubmersible rig

...he ''kelly bushing'' (9) and kelly. The ''kelly'' is a square or hexagonal length of pipe that is screwed on the drill pipe and used to convey the rotary mov ...The drill line can be strung in multiples for a total of of 4,6, 8, 10, or 12 lines. More lines means more lifting capacity but a slower running speed. T

...irections in rotary steerable drilling]: Oil-field Review, Spring 2000, v. 12, no. 1, p. 18-29.</ref> ...of keeping it substantially within the reservoir target until the desired length of horizontal penetration is reached ([[:file:M91Figure161.JPG|Figure 1]]).

...ool operates with transmitter-receiving spacings of 8, 10, or [[length::12 ft]] and emits acoustic energy that propagates radially through the formation ...in gauge. Unfortunately, the correction detector diameter is only about [[length::2 in.]], and it can easily miss the fractures in more than 90% of the bore

...directions in rotary steerable drilling: Oilfield Review, Spring 2000, v. 12, no. 1, p. 18–29.</ref> ...of keeping it substantially within the reservoir target until the desired length of horizontal penetration is reached ([[:File:M91Figure161.JPG|Figure 1]]).

...nt. Some of field parameters are maximum [[offset]], minimum offset, array length, group interval, and number of channel. Other field parameters sometimes ar ::7758 = bbl/acre-ft

...aturation of oil has been evaluated by Erlich model with dimension of 12 x 12 with random process based on probability realtion between porous and fractu ...media are density, viscosity, surface tension, bazaar properties, fracture length, fractured wall roughness, and tilt degree. First thing that must be known

* Township 12 North, Range 10 West * 14th Principal Meridian (T-12-N, R-lO-W, 14th PM)

..., 1988, Eolian dunes: Journal of Petroleum Technology, v. 40, no. 1, p. 11–12.</ref> Internally, dunes comprise thick, cross-bedded intervals of well-rou .... The width-to-thickness ratio is estimated as between 50:1 and 100:1. The length-to-thickness ratio is estimated as 200 to 1.

...g river deposits in his database is only 38 m (124 ft), with 4–20 m (13–65 ft) as a common thickness range. Gibling makes the comment that despite their ...ost < 60 m (197 ft); common range 5-60 m (16-197 ft) || 50 m-1300+ km (164 ft-808+ mi); many > 1 km (0.62 mi); common range 0.5-10 km (0.3-6 mi) || 15-15

...d that distributary channels show a common width range of 10–300 m (33–984 ft) (see Table 2). Distributary channels tend to be straight where they incise ...ost < 60 m (197 ft); common range 5-60 m (16-197 ft) || 50 m-1300+ km (164 ft-808+ mi); many > 1 km (0.62 mi); common range 0.5-10 km (0.3-6 mi) || 15-15

...parsely populated area of desert and low hills, mostly 300–500 m (984–1640 ft) above sea level (msl). The highest elevation here occurs at Jabal ‘Unayz ...) and Dijlah (Tigris) Rivers, which flow from Turkey and Syria through the length of Iraq to the Gulf of Arabia via the Shatt al Arab. The elevation at the I

...letns/1997/01jan/0082/0082.htm Modeling tip zones to predict the throw and length characteristics of faults]: AAPG Bulletin, v. 81, no. 1, p. 82–89.</ref> ...s not unusual for a computer map to show spurious fault reversal along the length of the fault. Thus, it is important to check and edit the contour maps by h

...akota Plainview in 1998. Production occurs from approximately 4000 to 8500 ft below the surface across the field. Reservoir quality in the various horizo ...the Pierre Shale. Total source rock thickness in Wattenberg is 200 to 250 ft (>2 wt.% TOC). The source beds are dominantly Type II with some Type III ke

...ary Science Letters, v. 302, no. 1–2, p. 217–226, doi: 10.1016/j.epsl.2010.12.013.</ref>), but it can be difficult to replicate geometries observed in ou ...|Figure 2D]]), that calculates the height of the clinoform relative to the length along the clinoform surface and the height difference between the top and b

...ments (Monicard, 1980). Vertical core plugs may also be cut every 1.5 m (5 ft) for example. On occasions, large pieces of full-diameter core are used for ...rements are complete. It will be cut into three vertical sections down the length of the core. The middle slab is kept as a reference core for further study

...estern Pennsylvania was drilled a record-breaking lateral length of 20,060 ft (Boyer, 2021, Gough, 2020). The organic-rich, high gamma ray portion of the ...Pittsburgh Business Times https://www.bizjournals.com/pittsburgh/news/2020/12/22/olympus-energy-completes-record-breaking-well.html

...al tests on the well above the interval from 1379.2 to 1437.1 m (4525–4715 ft) yielded 24.6 m3/day (155 bbl/day) of 17deg API oil and 481.4 m3/day (17 mc ...hereas free oil yields (S1) are high (as much as 0.0108 m3/m3 or 80 bbl/ac-ft), there is also a very high remaining generation potential (S2) indicative

...er Permian carbonate strata of the Barents Sea]: AAPG Bulletin, v. 88, no. 12, p. 1653–1676.</ref> Larger scale trends in porosity variation can also o ...s. The back reef between the barrier reef and the shoreline is 700 m (2296 ft) wide.]]

...of water and 167,800 kg (370,000 lb) of sand was used to treat a 27 m (90 ft) gross interval of the Marcellus organic shale in the Range Resources 1 Ren ...areas where the Marcellus Shale occurs at vertical depths of 1370 m (4500 ft) or greater. As of July 2010, more than 100 drilling rigs and 31 operators

For a given length of time, prodelta deposits are thicker (because of high sedimentation) than ...sup> cu m of total sand accumulation. Tidal ridges average roughly 2 km in length and 300 m in width, with crests emergent or near the surface at low tide. A

...ectors show the best reservoir characteristics (averages: TOC 5%; porosity 12%; clay 10%–20%; water saturation 20%), the most adequate geomechanical pr ...er basins—New paradigm for oil and gas supply]: AAPG Bulletin, v. 104, no. 12, p. 2507–2519.</ref>. In fact, the Neuquén Basin is a petroleum-rich pro