Status-quo of Study on the Methods of Evaluating Formation Damage by Shale Gas Reservoir Working Fluids

WANG Rui; WU Xinmin; MA Yun; ZHANG Ningsheng

doi:10.3969/j.issn.1001-5620.2019.06.002

Volume 36 Issue 6

Dec. 2019

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WANG Rui, WU Xinmin, MA Yun, ZHANG Ningsheng. Status-quo of Study on the Methods of Evaluating Formation Damage by Shale Gas Reservoir Working Fluids[J]. DRILLING FLUID & COMPLETION FLUID, 2019, 36(6): 672-678. doi: 10.3969/j.issn.1001-5620.2019.06.002

Citation:

WANG Rui, WU Xinmin, MA Yun, ZHANG Ningsheng. Status-quo of Study on the Methods of Evaluating Formation Damage by Shale Gas Reservoir Working Fluids[J]. DRILLING FLUID & COMPLETION FLUID, 2019, 36(6): 672-678. doi: 10.3969/j.issn.1001-5620.2019.06.002

Citation:

PDF( 1038 KB)

Status-quo of Study on the Methods of Evaluating Formation Damage by Shale Gas Reservoir Working Fluids

doi: 10.3969/j.issn.1001-5620.2019.06.002

WANG Rui^1,2,3,
WU Xinmin^1,2,3,
MA Yun^1,2,3,
ZHANG Ningsheng^1,2,3

1. Xi'an University of Petroleum, College of Petroleum Engineering, Xi'an, Shannxi 710065;
2. Engineering Research Center of Development and Management for Low to Ultra-Low Permeability Oil & Gas Reservoirs in West China, Ministry of Education, Xi'an, Shannxi 710065;
3. Shaanxi Key Laboratory of Advanced Stimulation Technology for Oil & Gas Reservoirs, Xi'an, Shannxi 710065

Received Date: 2019-07-03
Publish Date: 2019-12-30

Abstract

Abstract

Presently in shale gas development in China, little attention has been paid to the effects of working fluid on the production of shale gas, as well as the damage and protection of shale gas reservoirs. All these are closely related to the production evaluation and the R&D of fracturing techniques and high efficiency working fluids. This paper analyzes the following issues about shale gas development, such as how working fluids damage the transfusion of shale gas, the diffusion, adsorption and desorption of shale gas, the progresses made in studying the methods of evaluating damage to shale gas production. Types of shale gas reservoir damage include damage by the sensitivity of the reservoir formations, damage by the working fluids, damage removal during flowback and imbibition, damage of adsorption/desorption and diffusion of shale gas by the working fluids, as well as the damage to the mass transfer of shale gas by the working fluids. Further discussed in this paper is the parameters used in evaluating shale gas reservoir damage. Based on the analysis, problems waiting to be resolved in this field are presented.
- Shale gas,
- Reservoir damage,
- Evaluation of formation sensitivity,
- Transfusion,
- Flowback,
- Imbibition,
- Diffusion,
- Desorption

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References(35)

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Status-quo of Study on the Methods of Evaluating Formation Damage by Shale Gas Reservoir Working Fluids

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