1973
DOI: 10.2118/3672-pa
|View full text |Cite
|
Sign up to set email alerts
|

Use of Polymers To Control Water Production in Oil Wells

Abstract: Although in nearly 200 field treatments of producing oil wells polymers have effectively reduced the WOR, not all such wells polymers have effectively reduced the WOR, not all such wells with a high water cut are candidates for polymer treatment. This paper discusses the probable working mechanisms of polymers and presents guidelines for selecting wells to be treated. Introduction The use of polymers to reduce water production in high-watercut oil-producing w… Show more

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...
5

Citation Types

0
42
0

Year Published

1993
1993
2024
2024

Publication Types

Select...
8
1

Relationship

0
9

Authors

Journals

citations
Cited by 106 publications
(42 citation statements)
references
References 0 publications
0
42
0
Order By: Relevance
“…The selective effect has been verified in laboratory experiments with sandpacks 10 and rock cores, 11,12 as well as in field tests. 13,14 The physical mechanism of this method is not very well-known. All researchers agree that it is attributed to surface adsorption of the polymer and that it works only in small pores.…”
Section: Ect In Production Operationsmentioning
confidence: 99%
See 1 more Smart Citation
“…The selective effect has been verified in laboratory experiments with sandpacks 10 and rock cores, 11,12 as well as in field tests. 13,14 The physical mechanism of this method is not very well-known. All researchers agree that it is attributed to surface adsorption of the polymer and that it works only in small pores.…”
Section: Ect In Production Operationsmentioning
confidence: 99%
“…All researchers agree that it is attributed to surface adsorption of the polymer and that it works only in small pores. The effect is based on either selective plugging of the water-flowing pores 13 or, by the other theory, altering the flow pattern in the two-phase flowing pores so that the annular flow of water is hindered while the central core flow of oil remains little affected. 11 Rock plugging is used to reduce brine flow when water and hydrocarbon zones are clearly separated.…”
Section: Ect In Production Operationsmentioning
confidence: 99%
“…However, in modern industry practices, this impairment to production can be delayed by perforating wells as far above the wateroil contact (WOC) as possible in water drive reservoirs, perforating in the lower part of the oil column or below the oil column in the oil column away from the gas-oil contact (GOC) in strong gas cap reservoirs, placing horizontal wells close to the water-oil contact in weak water drive reservoirs due to the higher mobility of gas compared to water as well as producing below the critical oil rate. There have been successes in reducing cresting with polymers and gels and other methods (Albonico et al 1994;Brown 1984;Lakatos et al 1998;Salavatov and Ghareeb 2009;Singhal 1993Singhal , 1996Shirif 2000;Thakur and Tachuk 1974;White et al 1973;Zaitoun and Pichery 2001). However, the use of chemicals would damage producing wells upon encroachment of these chemicals or polymers into wellbores.…”
Section: Introductionmentioning
confidence: 99%
“…However, due to unfavorable wateroil mobility ratio of medium-heavy oil reservoirs and the heterogeneity of some reservoirs, this process has sometimes been substituted by polymer flooding. Pye (1964) and Sandiford (1964) established the fact that mobility of a brine used in waterflooding could be greatly reduced by addition of small amounts of water-soluble polymer (i.e., hydrolyzed polyacrylamide), which may consequently lead to a higher oil recovery (Chang 1978;Gogarty 1967;Green and Willhite 2003;Jewett and Schurz 1970;Needham and Doe 1987;White et al 1973). Generally, in oil industry, polymers have been used for two main purposes: conformance control (i.e., gelled-polymer treatment) and mobility control (i.e., polymer flooding), which the later is the focus of this article.…”
Section: Introductionmentioning
confidence: 99%