Title:
DOWNHOLE FLUID FOR REMOVING SCALES AND METHODS THEREOF
Document Type and Number:
WIPO Patent Application WO/2019/143312
Kind Code:
A3
Abstract:
Compositions and methods for removing scales within a subterranean environment are provided. The method includes placing a treatment fluid into the subterranean environment containing oil-laden scales and dissolving the oil-laden scales by contacting the treatment fluid to the oil-laden scales. The treatment fluid contains a solvent mixture containing a pyrrolidone and a terpene, an emulsifier, and a chelate mixture containing hydrochloric acid and a chelating agent that contains methylglycine diacetate.
Inventors:
BELAKSHE RAVIKANT (IN)
MALLICK MONALISA (IN)
MALLICK MONALISA (IN)
Application Number:
PCT/US2017/068007
Publication Date:
October 24, 2019
Filing Date:
December 21, 2017
Export Citation:
Assignee:
HALLIBURTON ENERGY SERVICES INC (US)
International Classes:
C09K8/52; C09K8/035; E21B37/06
Domestic Patent References:
| WO1992010998A1 | 1992-07-09 |
Foreign References:
| US20100130389A1 | 2010-05-27 | |||
| US20120260938A1 | 2012-10-18 | |||
| US5904208A | 1999-05-18 | |||
| US20170335175A1 | 2017-11-23 |
Attorney, Agent or Firm:
CHERRY, John-Paul, F. et al. (US)
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