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Keywords: concentration
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Proceedings Papers

Paper presented at the SPE Permian Basin Oil and Gas Recovery Conference, May 15–17, 2001
Paper Number: SPE-70029-MS
... of oxygen. The concentration of oxygen was not reduced preferentially from these solutions but occurred at approximately the same rate as reduction of dissolved carbon dioxide (undissociated carbonic acid) concentration. Inhibition of corrosion in CO 2 /O 2 systems was more difficult that in CO 2 alone...
Proceedings Papers

Paper presented at the SPE Permian Basin Oil and Gas Recovery Conference, May 15–17, 2001
Paper Number: SPE-70017-MS
... Abstract This paper investigates the effect of higher concentrations (0–100%) of CO 2 , H 2 S, and N 2 on natural gas well deliverability, reserve estimation, and pressure test analysis quantitatively. Physical properties of natural gases such as viscosity and compressibility are corrected...
Proceedings Papers

Paper presented at the SPE Permian Basin Oil and Gas Recovery Conference, May 15–17, 2001
Paper Number: SPE-70047-MS
... and synthesized. The said surfactant is soluble in 30% NaCl brine, and shows good surface activity in brine with 100,000mg/L salinity concluding 5,000mg/L CaCl 2 . By analysizing the volume fraction-salt concentration phase graph, the salt tolerance property of LF, petroleum sulfonate and their combined system...
Proceedings Papers

Paper presented at the SPE Permian Basin Oil and Gas Recovery Conference, March 21–23, 2000
Paper Number: SPE-59708-MS
... and frequent filter changes at the well head, plant and other locations in the system. An operator of a large water injection system in West Texas was injecting approximately 14.78×10 6 liters of water per day using 11 different plants. H 2 S and FeS were present in varying concentrations in the water system...
Proceedings Papers

Paper presented at the SPE Permian Basin Oil and Gas Recovery Conference, March 23–26, 1998
Paper Number: SPE-39763-MS
... discharge salt concentration reduction concentration plant species green plant evapotranspiration rate chloride compartment tolerant plant . .. SPE 39763 I *1e 9 . . Soefetyof Petroleum Engineem Engineering the Use of Green Plants to Reduce Produced Water Disposal Volume Troy Settle, De...
Proceedings Papers

Paper presented at the SPE Permian Basin Oil and Gas Recovery Conference, March 23–26, 1998
Paper Number: SPE-39776-MS
... upstream oil & gas acid effective diffusivity navarrete simulator reaction closure stress fracture conductivity theoretical study emulsified acid concentration fracture conductivity hci reaction rate equation coefficient acid system hydraulic fracturing conductivity cell...
Proceedings Papers

Paper presented at the SPE Permian Basin Oil and Gas Recovery Conference, March 23–26, 1998
Paper Number: SPE-39778-MS
... proppant-laden treatment val verde basin injection rate hydraulic fracturing johnson fracture mscfd productivity proppant wolfcamp interval reservoir conway burdett concentration pakenham field remedial treatment upstream oil & gas fracturing fluid fracturing materials spe...
Proceedings Papers

Paper presented at the SPE Permian Basin Oil and Gas Recovery Conference, March 23–26, 1998
Paper Number: SPE-39789-MS
... region enhanced recovery surfactant flow in porous media surfactant solution breakthrough permeability region upstream oil & gas brine breakthrough time experiment reduction composite core oil recovery concentration low permeability region fluid dynamics cojsurfactant mobility...
Proceedings Papers

Paper presented at the SPE Permian Basin Oil and Gas Recovery Conference, March 23–26, 1998
Paper Number: SPE-39780-MS
... an appreciation of minimizing gel loadings in fracturing fluids because of perceived high insitu polymer concentrations brought about during fracture closure. For this reason, it is desirable to use breaker systems that do not prematurely attack fluid viscosity, allowing use of the minimum gel loading...
Proceedings Papers

Paper presented at the SPE Permian Basin Oil and Gas Recovery Conference, March 23–26, 1998
Paper Number: SPE-39802-MS
... concentration reservoir tracer concentration production well transit time dispersion gel treatment ticture hydraulic fracturing upstream oil & gas conductivity ficture fracture injector-producer pair chemical tracer tracer test analysis tracer transit time direct fracture...
Proceedings Papers

Paper presented at the SPE Permian Basin Oil and Gas Recovery Conference, March 23–26, 1998
Paper Number: SPE-39817-MS
... on sample quality and require more careful planning. P. 565 formation fluid sample upstream oil & gas flow in porous media mud cake quality fluid dynamics permeability zone permeability formation fluid jaedong lee sample quality zone thickness formation jaedong lee concentration...
Proceedings Papers

Paper presented at the SPE Permian Basin Oil and Gas Recovery Conference, March 23–26, 1998
Paper Number: SPE-39784-MS
... be achieved. P. 297 production data cost effective method polymer afier fracturing materials remedial treatment permeability proppant productivity guar specific enzyme treatment concentration fracturing fluid upstream oil & gas static temperature formation gas well carbohydrate...
Proceedings Papers

Paper presented at the SPE Permian Basin Oil and Gas Recovery Conference, March 23–26, 1998
Paper Number: SPE-39792-MS
... Abstract The potential for using mixed surfactants at low concentration to improve mobility control in CO flooding was evaluated in laboratory experiments. We examined various mixed surfactant systems, such as alpha olefin sulfonate and ethoxylated alcohol sulfate, through foam durability...
Proceedings Papers

Paper presented at the SPE Permian Basin Oil and Gas Recovery Conference, March 23–26, 1998
Paper Number: SPE-39785-MS
.... 307 case study flowback sample hydraulic fracturing polymer upstream oil & gas polymeric damage polymer damage aid fracturing fluid productivity candidate selection remedial treatment production rate polymer damage evaluation fracturing materials fragment concentration...
Proceedings Papers

Paper presented at the Permian Basin Oil and Gas Recovery Conference, March 27–29, 1996
Paper Number: SPE-35167-MS
... concentration west texas reservoir well pattern texas upstream oil & gas recovery efficiency gas displacement recovery enhanced recovery depositional environment injection spe 35167 information beike operation recovery depositional system gdr project application Society...
Proceedings Papers

Paper presented at the Permian Basin Oil and Gas Recovery Conference, March 27–29, 1996
Paper Number: SPE-35193-MS
... with the concentrations of asphaltenes and resins, base number of the oil, and ferric ion content in the acid. Only three out of nine commercial acid systems tested were effective in preventing acid sludge formation; they all utilize the same novel iron control technology, i.e., catalytic reduction of ferric ions...
Proceedings Papers

Paper presented at the Permian Basin Oil and Gas Recovery Conference, March 27–29, 1996
Paper Number: SPE-35173-MS
... field testing lactate upstream oil & gas polymer low toxicity polymer microgel polymer concentration injection well zirconium polyacrylamide new low toxicity polymer waterflooding concentration gelation north burbank unit enhanced recovery reduction zirconium lactate gelled...
Proceedings Papers

Paper presented at the Permian Basin Oil and Gas Recovery Conference, March 27–29, 1996
Paper Number: SPE-35168-MS
... as that realized with an ordinary mobility reducing agent. selective mobility reduction displacing fluid spe 35168 foam effective relative mobility oil recovery mobility surfactant experiment exponent concentration reservoir smr upstream oil & gas enhanced recovery fluid dynamics...
Proceedings Papers

Paper presented at the Permian Basin Oil and Gas Recovery Conference, March 27–29, 1996
Paper Number: SPE-35169-MS
... capillary contact fractional flow co 2 permeability region surfactant solution fluid dynamics experiment core sample chemical flooding methods penneability concentration average darcy flow velocity surfactant enhanced recovery surfactant concentration brine flow in porous media...
Proceedings Papers

Paper presented at the Permian Basin Oil and Gas Recovery Conference, March 27–29, 1996
Paper Number: SPE-35170-MS
... diffusion fluid dynamics gravity drainage concentration flow in porous media oil recovery gas injection ift gravity drainage process coefficient SPE/DOE 35170 Mathematical Modeling of Gravity Drainage After Gas Injection into Fractured Reservoirs D.S, Schechter, SPE, and B. Guo, SPE, New Mexico...

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