Study of drilling and cementing technologies for Xinji coalbed methane pilot pattern
SONG Sheng yin (Xi′an Branch;
Abstract:
Based on drilling and cementing technology used for 1 test well and 3 producing wells in Xinji coalbed methane pilot pattern,it is put forward that a set of advanced technolgy about drilling,reservoir damage prevention,wireline coring and low density cementing for CBM well.In addition,a set of academic base and practical method for China′s CBM exploration and development in future.
Key Words: CBM;drilling;cementing;reservoir damage prevention;wireline coring
Foundation: “九五”重点科技攻关项目 (97- 2 2 4)
Author: SONG Sheng yin (Xi′an Branch;
References:
- [1] SongShengyin.Selection ofDrillingFluid forPrevention ofCoalFormationDamage[A].Procedings ofTheInternationalMiningTech'96Symposium[C].Xi'an/15-17October,1996:445—450.
- [2] ReedM G.FormationDamagePreventionDuringDrilling andCompletion,SPE20149(1989).
- [3] VickiA Hollub andPaulS.Schafer.煤层甲烷作业指南[M].煤炭工业部规划发展司和煤炭科学研究总院西安分院,1994.
- [4] 宋生印.一种适用于煤层气井的堵漏剂[J].煤田地质与勘探,1998,26(增刊):70—73