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Keywords: polymer
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Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-131948-MS
... Abstract Enhanced oil recovery is the most effective method to produced oil from oil reservoir, during the enhanced oil recovery process, many kinds of chemicals, such as polymer and surfactants, are used, so the produced water (wastewater) is complexity and stability. How to treat the oily...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-130382-MS
... Abstract The molecular configuration dimension and the flow performance of Cr 3+ polymer gel which was formed from partially hydrolyzed polyacrylamide (HPAM) and Cr 3+ were studied by making use of the viscosity measurement, core flow performance test and dynamic light scattering (DLS...
Proceedings Papers

Paper presented at the International Oil & Gas Conference and Exhibition in China, December 5–7, 2006
Paper Number: SPE-103703-MS
... The SC-DL-II EMF is designed for water, polymer or ASP injection profiling in both continuous and stationary modes. In a logging tool string, the EMF can be connected with a top centralizer, temperature and pressure sonde, and a bottom centralizer. Outside diameter (OD) and make-up length...
Proceedings Papers

Paper presented at the International Oil & Gas Conference and Exhibition in China, December 5–7, 2006
Paper Number: SPE-104432-MS
... Abstract Enhanced oil recovery by means of polymer flooding is considered as an important technology for the strategic development of offshore oilfields in China. The implementation of polymer flooding in the offshore oilfields requires overcoming several major technical problems caused largely...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, November 7–10, 2000
Paper Number: SPE-64726-MS
... started from August 21,1995 with the beginning of NaCl brine pre-flush in order to condition the reservoir, then followed by ASP slug and Polymer slug. The post-water injection was applied after the designed chemical injections. The 24%OOIP incremental oil recovery was achieved in the whole test area...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, November 7–10, 2000
Paper Number: SPE-64722-MS
..., capital construction and production costs increase. How to produce the 60~70% oil remaining underground is a task that reservoir engineers all over the world are striving to solve. In the 60~70’s, petroleum professionals in many countries conducted extensive studies on polymer flooding technology...
Proceedings Papers

Paper presented at the SPE International Oil and Gas Conference and Exhibition in China, November 2–6, 1998
Paper Number: SPE-48897-MS
... in little or no back-production of proppants or fines, the high-friction surface-modification materials were shown to stabilize proppant packs. spe 48897 ottawa sand porosity hydraulic fracturing flow rate fracturing materials fracturing fluid polymer upstream oil & gas fracture closure...
Proceedings Papers

Paper presented at the SPE International Oil and Gas Conference and Exhibition in China, November 2–6, 1998
Paper Number: SPE-50892-MS
... Abstract The delayed polymer crosslinking technique is used for profile control in deep fractured reservoirs with low permeability. Its mechanism, formulation and injection process have been researched for reservoirs with low permeability, low porosity, heterogeneity and both natural...
Proceedings Papers

Paper presented at the SPE International Oil and Gas Conference and Exhibition in China, November 2–6, 1998
Paper Number: SPE-50932-MS
... FA367 polymerized by cationic, anionic and nonionic vinyl monomers is used as encapsulant and the low molecular weight amphoteric polymer XY27 is used as deflocculant. The cationic group in amphoteric polymers can be adsorbed on the clay particle surface with negative charge by electrostatic force...
Proceedings Papers

Paper presented at the SPE International Oil and Gas Conference and Exhibition in China, November 2–6, 1998
Paper Number: SPE-50928-MS
... Abstract This paper introduces the scale and production results of six industrial scale polymer flood areas conducted in Daqing oil field, since the large scale application of polymer flooding in 1995. Some important technology problems related to the drawing up of polymer flood development...
Proceedings Papers

Paper presented at the SPE International Oil and Gas Conference and Exhibition in China, November 2–6, 1998
Paper Number: SPE-50929-MS
... Abstract The applications of flowing gel for modifying the water injection profile is a novel EOR technique developed in recent year. The features of this system are low cost, large application and it can solve the problems of short effective period, quick polymer production in polymer...
Proceedings Papers

Paper presented at the International Meeting on Petroleum Engineering, November 14–17, 1995
Paper Number: SPE-29904-MS
... 3 2− (SiO 3 2− , SiO 4 4− ), CO 2 , HA, crosslinking agent, rock components, etc. * Basic equations ABSTRACT This paper presents a 3-D compositional numerical simulator of alkali/surfactant/polymer (ASP) flooding. It takes into consideration 5 major mass-transfer processes...
Proceedings Papers

Paper presented at the International Meeting on Petroleum Engineering, November 14–17, 1995
Paper Number: SPE-29943-MS
... Table 9 Properties of Amphoteric Polymer Weighted Mud density, g/cm 3 1. 60~2. 00 Funnal viscosity, sec/gt 25~45 Plastic viscosity, cp 21 ~ 30 Yield point, pa 7~21 Gel strength, (10 sec/10 min) pa 2. 5~7/4~15 API fluid loss, ml/30 min 3~9 HTHP fluid loss, ml/30...
Proceedings Papers

Paper presented at the International Meeting on Petroleum Engineering, November 14–17, 1995
Paper Number: SPE-29991-MS
... Abstract The Fracturing and Acidizing Technical Service Center (FATSC) of CNPC and STIM-LAB Inc.jointly studied "Xiando"( XD) and "Zhaoren" ( ZW) polymers to understand their theological properties and their proppant transport capabilities when crosslinked with borate ions. A series of bench...
Proceedings Papers

Paper presented at the International Meeting on Petroleum Engineering, November 14–17, 1995
Paper Number: SPE-30013-MS
... parameters of both porous media and polymer solution on Han’s index, H, was investigated by core flowing tests with artificial cores. The property parameters include injection rate, salinity, hydrolysation degree of HPAM and core permeability. A comprehensive Han’s index, He, was obtained as a function...
Proceedings Papers

Paper presented at the International Meeting on Petroleum Engineering, March 24–27, 1992
Paper Number: SPE-22364-MS
...Laboratory study Abstract Decision of implementing two polymer-augmented waterflooding pilots in Daqing was taken in 1987 considering favorable laboratory results and preliminary reservoir studies. Since that date, the drilling of 8 injectors and 18 producers representing 4 inverted five...
Proceedings Papers

Paper presented at the International Meeting on Petroleum Engineering, November 1–4, 1988
Paper Number: SPE-17632-MS
... ABSTRACT Information relative to the preparation of two polymer flood pilots in the West Central Saertu area of the giant Daqing oil field in China is presented. The reservoir features of the West Central area of the field contribute to suggest polymer injection as an attractive process...
Proceedings Papers

Paper presented at the International Meeting on Petroleum Engineering, November 1–4, 1988
Paper Number: SPE-17631-MS
... ABSTRACT A polymer flood process with partially hydrolized Polyacrylamide solution in fresh water has successfully been applied "by Deutsche Texaco AG in the oilfields of Hankensbuettel and Oerrel. The flood process is capable of recovering additional 10–15 % 00IP in high salinity reservoirs...
Proceedings Papers

Paper presented at the International Meeting on Petroleum Engineering, November 1–4, 1988
Paper Number: SPE-17617-MS
... fluids and materials compressibility geologist drilling fluid chemistry drilling fluid selection and formulation gfl mud upstream oil & gas geology drilling fluid management & disposal spe 17617 petroleum engineer figure mpa diesel barite polymer bentonite filtration equation...
Proceedings Papers

Paper presented at the International Meeting on Petroleum Engineering, November 1–4, 1988
Paper Number: SPE-17616-MS
... ABSTRACT A medium pH range water base mud system designed as a result of high temperature high pressure studies on various clays and polymers has been laboratory developed and field tested. This type of system has proven to have advantages over water base mud systems previously used. After...

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