【摘要】：隨著油氣鉆探技術(shù)的進步和環(huán)境保護的要求越來越嚴格,對環(huán)保型鉆井液(保護環(huán)境和保護油氣層)的研究也越來越被需要。本文在國內(nèi)外研究的基礎(chǔ)上,對常用鉆井液添加劑的環(huán)境效應(yīng)進行了生物降解性和毒性實驗和評價,優(yōu)選出了添加劑IND-30、HFL-1、NFA-25、JHG和PE,上述添加劑均易生物降解,同時無毒,可作為環(huán)保型鉆井液添加劑;對上述環(huán)保型鉆井液添加劑的抗溫性能進行了實驗和評價,實驗結(jié)果表明其抗溫性能均不超過160℃,抗溫性能良好;由上述環(huán)保型鉆井液添加劑研制了環(huán)保型鉆井液(4%土漿+0.05%NaOH+0.3%IND-30+3.0%NFA-25+2.0%JHG+1.0%HFL-1+3%PE-1);將上述研制的環(huán)保型鉆井液在鉆井現(xiàn)場進行了應(yīng)用,應(yīng)用結(jié)果表明,該環(huán)保型鉆井液滿足施工中從開鉆到完井作業(yè)的各種工況需要,取得保護環(huán)境和保護油氣層的良好效果。
[Abstract]:With the development of oil and gas drilling technology and the more strict requirements of environmental protection, the research of environment-friendly drilling fluid (protecting the environment and protecting oil and gas reservoirs) is more and more needed. Based on the research at home and abroad, the biodegradability and toxicity of commonly used drilling fluid additives were tested and evaluated in this paper. The additives IND-30,HFL-1,NFA-25,JHG and PE, were selected. The additives are biodegradable and non-toxic, and can be used as environmental protection drilling fluid additives. The experimental results show that the temperature resistance of the above mentioned additives is not more than 160 鈩，

本文編號：2370558