POLYMER PROPERTIES DETERMINATION FOR DESIGNING CHEMICAL FLOODING  

Oleh:

Sugihardjo

Jenis: Article from Journal - ilmiah nasional
Dalam koleksi: Lemigas Scientific Contributions to Petroleum Science & Technology vol. 34 no. 02 (Sep. 2011), page 127.
Topik: Polyacrylamide (PAM); Partially hydrolyzed polyacrylamide (HPAM); Mobility control

Ketersediaan

Perpustakaan PKPM Nomor Panggil: L15 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Wateiflooding became the standard practice in many reservoirs formation in petroleum industries, the strengths and weaknesses of the methods were quite well established. In particular, the inefficiency of the wateiflood oil displacement mechanism as a result of either an unfavorable mobility ratio or heterogeneity was largely identified. Therefore, chemicals injections as the improvement displacement processes had been proposed to support petroleum industries to recover the production of oil. Chemical injection normally consists of alkaline, surfactant, and polymer (ASP). They could be injected as standalonejluid or mixture ofjluids; it depends upon the injectionjluid design appropriate for particular field. Polymer solution could be prepared for mixtures of injection jluid and or as chasejluid injection which is injected behind surfactant or ASP The main function of polymer solution primarily is to viscosity the injection water as a mobility control. This work is proposed to determine the important polymer properties which are suitable for mobility control in such EOR plan in the particular field. This field is sandstone"reservoir with oil gravityof23 to 26°API andviscosityof3cp at 90°C. Two kinds of polymers have been chosen such as: HPAM-l and HPAM-2 and subject to be tested for the properties characteristic. Intensive works have been done to evaluate the bulk polymer properties at laboratory scale which include rheology, filtration, thermal stability, retention/adsorption, and injectivity or permeability reduction tests. The results indicated that HPAM-l polymer is suitable for injectionjluid design for Zone-B while HPAM-2 for Zone-A.

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