000			02161nab a2200205 4500
005			20260520002846.0
008			260224s2010 xxu
245	0	0	_aApplied technologies and prospects of conformance control treatments in China
260			_a _b _cnov./dic. 2010
270			_a18/02/2011 ; 18/02/2011
300			_a20 p. ; 859-878
520			_aTranscripción del resumen del autor. China is the largest user of chemical-based conformance control treatments and a series of technologies have been successfully developed and deployed in recent years. This paper first shows the milestones of development and application of conformance control technologies in China. Then integrated conformance control technologies are reviewed followed by the lessons we have learned, and then a few major specific conformance control technologies are addressed, including tracer injection and channels explanation, potentiometric testing to identify areal sweep efficiency, Pressure Index (PI) decisionmaking technology to select well candidate, complementary decision-making technology to select well candidate and design application parameters, and major chemicals for in-depth fluid diversion technologies. In addition, this paper also describes the principles and applications of some promising technologies of combined chemical-based conformance treatment with other EOR/IOR process, including the combination technology of surfactant and water shutoff, profile control and mini-scale surfactant flooding, acid treatment and profile control treatment. Finally, this paper summarizes the problems and challenges faced by mature water flooded oilfields in China. Based on recent well tests, tracer testing and interpretation, and previous water control treatment experience, it appears that channels or high permeability streaks are common in mature water flooded oilfields. Some research directions and promising technologies are suggested.
581			_a6
773	0		_tOil and Gas Science and Technology _g65
942			_cARTICULO
100	1		_aLiu, Y. _912472
100	1		_aBai, B. _944557
100	1		_aWang, Y. _928527
999			_c173381 _d173381