DAMAGE AND REMOVAL OF THE RESIDUE OF HPGGUM WATER BASE FRACTURING FLUIDS

doi:10.3863/j.issn.1000-2634.2001.04.13

西南石油大学学报(自然科学版) ›› 2001, Vol. 23 ›› Issue (4): 44-45.DOI: 10.3863/j.issn.1000-2634.2001.04.13

• 油气化学工程与化工 • Previous Articles Next Articles

DAMAGE AND REMOVAL OF THE RESIDUE OF HPGGUM WATER BASE FRACTURING FLUIDS

ZHANG Jie¹ LUO Ping-ya¹ ZHU Jian-feng² GUAN Bao-shan².

(Southwest Petroleum Institute, Nanchong,Sichuan 637001,China)

Received:2001-03-23 Revised:1900-01-01 Online:2001-08-20 Published:2001-08-20

Abstract

Abstract:

The damage of the residue of HPG-Gum water base fracturing fluids to formations was studied on core samples. It has been found that less permeable core samples experienced lower levels of damage by the residue. The value ofm(gum-dissolving agent):m(HPG-gum) was respectively 125∶500 and 34∶500 in the HPG-gum fracturing fluid and its filter cake. A novel residue-dissolving agent LY-1 has been developed, which can intensely corrode the residue and the cake, and the corrosion rate is over 80% whenw(LY-1) =8%.

Key words: fracturing fluid, residue, damage, residue-dissolving agent

CLC Number:

TE357

ZHANG Jie LUO Ping-ya ZHU Jian-feng GUAN Bao-shan.. DAMAGE AND REMOVAL OF THE RESIDUE OF HPGGUM WATER BASE FRACTURING FLUIDS[J]. 西南石油大学学报(自然科学版), 2001, 23(4): 44-45.

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DAMAGE AND REMOVAL OF THE RESIDUE OF HPGGUM WATER BASE FRACTURING FLUIDS

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