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Keywords: vertical fracture
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Journal Articles
SPE J. 22 (06): 933–944.
Paper Number: SPE-9346-PA
Published: 01 December 1982
...Naelah A. Mousli; Rajagopal Raghavan; Heber Cinco-Ley; Fernando Samaniego-V. This paper reviews pressure behavior at an observation well intercepted by a vertical fracture. The active well was assumed either unfractured or intercepted by a fracture parallel to the fracture at the observation well...
Journal Articles
SPE J. 22 (05): 681–698.
Paper Number: SPE-8281-PA
Published: 01 October 1982
...K.H. Guppy; H. Cinco-Ley; H.J. Ramey, Jr.; F. Samaniego-V. Several methods have been proposed in the literature for analyzing drawdown data for the determination of fracture conductivity of vertically fractured wells. These techniques have paved accurate, but in some cases the fracture conductivity...
Journal Articles
SPE J. 21 (03): 390–400.
Paper Number: SPE-9344-PA
Published: 01 June 1981
... into a constant-pressure separator or during the reservoir depletion phase, when the rate-decline period occurs. Geothermal reservoirs, which produce fluids that drive backpressure turbines, and open-well production both incorporate the constant-pressure behavior. For finite-conductivity vertically fractured...
Journal Articles
SPE J. 21 (03): 379–389.
Paper Number: SPE-9402-PA
Published: 01 June 1981
...D.J. Jaggernauth; Z.S. Lin; J.A. Lescarboura; K.A. Bishop; C.R. Clark; G.W. Shift Summary A physical model of a gas reservoir having a vertical fracture with fracture half-length x f =0.0635 m was developed. The model is a right circular cylinder of latex concrete with the radius x e =0.305 m so...
Journal Articles
SPE J. 21 (01): 5–20.
Paper Number: SPE-8282-PA
Published: 01 February 1981
... the determination of thedrainage volume by type-curve matching appear tobe unrealistic. Introduction No quantitative data are available on the effect of thecompass orientation of a vertical fracture on pressuretransient data (injection or falloff). This is surprisingsince pressure falloff tests are the principal...
Journal Articles
SPE J. 19 (06): 401–410.
Paper Number: SPE-7488-PA
Published: 01 December 1979
...Fikri Kucuk; William E. Brigham This study presents analytical solutions to elliptical flow problems that are applicable to infinite-conductivity vertically fractured wells, elliptically shaped reservoirs, and anisotropic reservoirs producing at a constant rate or pressure. Type curves and tables...
Journal Articles
SPE J. 18 (04): 253–264.
Paper Number: SPE-6014-PA
Published: 01 August 1978
...Heber Cinco L.; F. Samaniego V.; N. Dominguez A. A mathematical model was developed to study the transient behavior of a well with a finite-conductivity vertical fracture in an infinite slab reservoir. For values of dimensionless time of interest, to >10, the dimensionless wellbore pressure, p...
Journal Articles
SPE J. 18 (02): 139–150.
Paper Number: SPE-6015-PA
Published: 01 April 1978
... pressure drop hydraulic fracturing penetration ratio vertical fracture fracture penetration ratio outer boundary procedure fractured well Trans shut-in time average reservoir pressure graph boundary straight line Analysis of Pressure Data for Fractured Wells: The Constant-Pressure Outer...
Journal Articles
SPE J. 18 (01): 59–74.
Paper Number: SPE-6183-PA
Published: 01 February 1978
...P.J. Closmann; D.M. Phocas This study presents an analysis and related numerical calculations to ascertain the practicality of horizontally fracturing an oil shale formation by thermally biasing underground stresses. Results indicate that stresses induced by beating from a vertical fracture reduce...
Journal Articles
SPE J. 14 (04): 347–360.
Paper Number: SPE-4051-PA
Published: 01 August 1974
... or vertical fractures could produce the same skin effect, but with possibly different short-time pressure data. This could then provide a way to determine the orientation of fractures created by this type of well stimulation. In fact, it is generally agreed that hydraulic fracturing usually results in one...
Journal Articles
SPE J. 12 (04): 306–314.
Paper Number: SPE-3009-PA
Published: 01 August 1972
... and Fast. Therefore, we confine our discussion of previous investigations to those pertinent to the present study of the propagation of vertical fractures. propagation of vertical fractures. An important theoretical result is Carter's formula for the area of a fracture of constant width formed by injection...
Journal Articles
SPE J. 9 (02): 247–254.
Paper Number: SPE-2232-PA
Published: 01 June 1969
... Displacement tests were performed mostly in cylindrical Berea sandstone cores. In a few cases in which a much lower matrix permeability was desired, Blue jacket sandstone cores were used. The vertical fractures were formed by cutting the cores with a thin circular blade or by parting them along a bedding plane...
Journal Articles
SPE J. 8 (03): 260–268.
Paper Number: SPE-1948-PA
Published: 01 September 1968
...D.A.T. Donohue; J.T. Hansford Substantial evidence indicates that many petroleum producing horizons contain naturally occurring, ordered fracture systems and that within a particular geologic zone, vertical fractures induced in wellbores often will be directed along a particular compass direction...
Journal Articles
SPE J. 7 (03): 310–318.
Paper Number: SPE-1710-PA
Published: 01 September 1967
... is a function of the porous elastic constants of the rock, the component of the regional stress normal to the plane of the fracture, the formation fluid pressure and the dimensions of the crack. The same expression may also be used to estimate the vertical fracture width, provided all other variables are known...
Journal Articles
SPE J. 7 (02): 221–228.
Paper Number: SPE-1718-PA
Published: 01 June 1967
...William L. Huskey; Paul B. Crawford A study has been made to determine the effects of random vertical fractures existing in a reservoir matrix on the effective matrix properties and producing characteristics of a well. The study indicated that short vertical fractures may distort the isopotentials...
Journal Articles
SPE J. 6 (01): 81–86.
Paper Number: SPE-1356-PA
Published: 01 March 1966
...J.W. Givens; Paul B. Crawford A potentiometric model study has been made of the effect of vertical fractures existing in the matrix of the reservoir on the flooding or cycling performance. Fractures can have unusual flow characteristics. Fluid entering one side of a fracture can emerge on either...
Journal Articles
SPE J. 2 (02): 87–94.
Paper Number: SPE-98-PA
Published: 01 June 1962
...M. Prats; P. Hazebroek; W.R. Strickler The pressure and production behavior of a homogeneous cylindrical reservoir producing a single fluid through a centrally located vertical fracture of limited lateral extent was determined by using mathematical methods to solve the appropriate differential...
Journal Articles
SPE J. 1 (02): 105–118.
Paper Number: SPE-1575-G
Published: 01 June 1961
...M. Prats The effect of a sand-filled vertical fracture of limited radial extent and finite capacity (fracture capacity is the product of the permeability and width of the fracture) on the flow behavior of a cylindrical reservoir producing an incompressible fluid through a centrally located well has...

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