中国煤炭地质
中國煤炭地質
중국매탄지질
COAL GEOLOGY OF CHINA
2015年
1期
57-61
,共5页
深部钻探%施工难点%钻进工艺%双管钻具%底喷钻头%聚合物钻井液
深部鑽探%施工難點%鑽進工藝%雙管鑽具%底噴鑽頭%聚閤物鑽井液
심부찬탐%시공난점%찬진공예%쌍관찬구%저분찬두%취합물찬정액
deep part drilling%operation hard nut%drilling technology%double barreled drilling tool%bottom jetting bit%polymer drilling fluid
在对深部煤田地质钻孔钻进工艺研究的基础上，有针对性选择使用聚合物泥浆，解决了基浆配制用水及泥浆抗地表水水质污染问题。通过改变双管钻具长度和改换取心钻头的切削具，满足软硬互层对钻头钻进效率的影响。在煤系地层钻进中，除采用常规的单管钻具钻进外，在见煤预告下过后，采用加长双管取心钻具，既可保证了回次进尺，又可保证岩心的采取。多项措施落实，不仅解决了生产中的一些难题，收到了较好的效果，而且创造了河北省煤田地质局煤田地质单孔钻探深度2009.12m的新纪录，为今后深部钻孔的施工积累了经验。
在對深部煤田地質鑽孔鑽進工藝研究的基礎上，有針對性選擇使用聚閤物泥漿，解決瞭基漿配製用水及泥漿抗地錶水水質汙染問題。通過改變雙管鑽具長度和改換取心鑽頭的切削具，滿足軟硬互層對鑽頭鑽進效率的影響。在煤繫地層鑽進中，除採用常規的單管鑽具鑽進外，在見煤預告下過後，採用加長雙管取心鑽具，既可保證瞭迴次進呎，又可保證巖心的採取。多項措施落實，不僅解決瞭生產中的一些難題，收到瞭較好的效果，而且創造瞭河北省煤田地質跼煤田地質單孔鑽探深度2009.12m的新紀錄，為今後深部鑽孔的施工積纍瞭經驗。
재대심부매전지질찬공찬진공예연구적기출상，유침대성선택사용취합물니장，해결료기장배제용수급니장항지표수수질오염문제。통과개변쌍관찬구장도화개환취심찬두적절삭구，만족연경호층대찬두찬진효솔적영향。재매계지층찬진중，제채용상규적단관찬구찬진외，재견매예고하과후，채용가장쌍관취심찬구，기가보증료회차진척，우가보증암심적채취。다항조시락실，불부해결료생산중적일사난제，수도료교호적효과，이차창조료하북성매전지질국매전지질단공찬탐심도2009.12m적신기록，위금후심부찬공적시공적루료경험。
Based on deep part coal geological drilling technology studies, pertinently used polymer mud, thus solved issues of base slur?ry preparation water use and withstand of surface water pollution. By means of double barreled drilling tool length varying and coring bit cutting part changing over, have satisfied impacts from alternating hard and soft layers on bit drilling efficiency. During the coal measures drilling, besides the use of conventional single barreled drilling, after the premonition of coal intersecting, lengthened double barreled coring tool will be used, thus can assure footage per round trip, but also core recovery. The implementation of a number of mea?sures, not only solved some hard nuts in drilling with better effects, furthermore, as well as set a new Hebei Bureau of Coal Geological Exploration single hole drilling depth record of 2009.12m, thus piled up experiences for deep part drilling operation henceforth.
