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Keywords: saturation
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Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180230-MS
.... The method combines three important reservoir engineering concepts for linear flow analysis: dynamic drainage area (DDA), material balance, and decoupling of saturation and pressure (which is analogous to the decoupling of geomechanics and fluid flow). The DDA concept, which uses a time-dependent well...
Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180269-MS
... experiments in five clean Middle Bakken cores having different initial fluid saturations to determine (1) where the fluids reside within the pores, and (2) the effect of aging on wettability change. The experimental protocol included measuring porosity and permeability of five clean Middle Bakken cores. We...
Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180250-MS
... characteristics. In the second suite, multiphase relative permeability measurements were conducted on sandstone plugs saturated with fracture fluid filtrate. Pulse decay permeability techniques were employed to measure liquid and gas effective permeability for both drainage and imbibition cycles...
Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180227-MS
.... For oil recovery testing, Eagle Ford outcrop cores were aged with associated crude oil from South Texas and then subjected to spontaneous imbibition testing in different commercial surfactants. Upon completion of the initial imbibition, the cores were re-saturated with crude oil to examine the performance...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-107705-MS
... flow) as follows: This form of the FMB assumes that the production of the well is dominated by gas which is reasonable assumption for some saturated CBM reservoirs. (24) q g [ m ( p i ) − m ( p w f ) ] k r g ( S g ) = m G i...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-107982-MS
... exacerbated by depleted/ low bottom-hole pressures, high water saturations, and low bubble point crude. The use of the microemulsion additive reduced the liquid load and promoted liquid recovery, enabling the base fluid gases to establish gas saturated pathways and promote the production of the natural...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-107989-MS
... the finite conductivity features of the horizontal wellbore. The influx and its effect are actually non-uniform distributed. A case study was conducted and analyzed in this paper. reservoir simulation flow rate Upstream Oil & Gas drilling operation pressure drop initial gas saturation...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-107950-MS
... operations. Although the effect of water saturation on the effective permeability to gas has been the subject of numerous experiments 1 – 6 , a fully mechanistic explanation has not yet been offered as to why the effect appears larger in tight gas reservoirs. In this paper we explore the possibility...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-108180-MS
... (1) P cow = P c ( S w D ) − 1 λ , where λ is the pore size distribution index, and P c is the entry capillary pressure. S wD is the normalized saturation of the wetting phase and is expressed as (2) S w D = S w − S i...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Petroleum Technology Conference, May 21–23, 2001
Paper Number: SPE-71057-MS
... prediction artificial intelligence correlation coefficient architecture saturation upstream oil & gas random data cliff farm unit data mining production control reservoir simulation nebraska panhandle production monitoring society enhanced recovery machine learning reservoir surveillance...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Petroleum Technology Conference, May 21–23, 2001
Paper Number: SPE-71060-MS
... neutral-wet systems. upstream oil & gas asphaltene deposition remediation of hydrates reservoir wettability wax inhibition wax remediation asphaltene remediation scale inhibition spe 71060 scale remediation crude oil saturation production chemistry flocculation flow assurance...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Petroleum Technology Conference, May 21–23, 2001
Paper Number: SPE-71088-MS
... behavior with fluid saturation. Relative permeability of dual porosity system can be estimated from those equations if capillary pressure versus saturation is measured from a naturally fractured core sample with determined fracture characteristics. Sometimes, it is not easy to get a fractured core...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Petroleum Technology Conference, May 21–23, 2001
Paper Number: SPE-71063-MS
... field pilot testing rodrigue field spe 71063 injection rate reservoir brazil enhanced recovery modeling & simulation estreito field saturation heterogeneous model steam injection upstream oil & gas heavy oil recovery potiguar basin expansion structural geology sagd production...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional/Low-Permeability Reservoirs Symposium and Exhibition, March 12–15, 2000
Paper Number: SPE-60324-MS
.... Abstract Low permeability gas reservoirs often exhibit high resistivity and low initial water saturations. Reservoirs of this type may also be susceptible to problems associated with the retention of water or hydrocarbon based drilling and completion fluids, as well as the accumulation of hydrocarbon...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional/Low-Permeability Reservoirs Symposium and Exhibition, March 12–15, 2000
Paper Number: SPE-60304-MS
... was measured to determine the insitu Archie cementation exponent ( m ). Electrical resistivity measurements were performed on core plugs saturated with brines of various compositions. Salinity of the saturating brines generally exceeded 200,000 ppm NaCl, which is consistent with salinity of the formation...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional/Low-Permeability Reservoirs Symposium and Exhibition, March 12–15, 2000
Paper Number: SPE-60325-MS
...-bearing formations. Very low permeability gas reservoirs are typically in a state of capillary undersaturation where the initial water (and sometimes oil) saturation is less than would be expected from conventional capillary mechanics for the pore system under consideration. These formations are commonly...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional Meeting, May 15–18, 1999
Paper Number: SPE-55640-MS
... to quantify these values, a petrophysical analysis was performed. Open-hole well logs, sidewall cores, and specialized logs such as Combinable Magnetic Resonance (CMR) and Formation Multi Imager (FMI) were used to compute parameters such as effective porosity, water saturation and permeability...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional Meeting, May 15–18, 1999
Paper Number: SPE-55642-MS
... Abstract Well logs and cores are used to define formation thickness, porosity, and water saturation. These data are required to design well completions and to prepare workover and reservoir management plans. The presence of shale (clay) in the pay zone complicates log interpretation. This paper...

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