燃料化学学报
燃料化學學報
연료화학학보
JOURNAL OF FUEL CHEMISTRY AND TECHNOLOGY
2010年
2期
190-194
,共5页
樊泽霞%董立山%董秀军%何玉海%王腾飞
樊澤霞%董立山%董秀軍%何玉海%王騰飛
번택하%동립산%동수군%하옥해%왕등비
深水%水合物%添加剂%钻井液%抑制
深水%水閤物%添加劑%鑽井液%抑製
심수%수합물%첨가제%찬정액%억제
deepwater%hydrate%additives%drilling fluid%inhibition
针对深水钻井中水基钻井液易形成天然气水合物从而导致钻井作业无法正常进行的问题,利用自行设计研制的气体水合物反应装置,模拟深水钻井温度压力条件,对水基钻井液添加剂进行了天然气水合物形成的实验研究.分析了各实验体系形成水合物的过冷度.以过冷度为评价指标,评价了各种钻井液添加剂在深水钻井水合物形成过程中的作用.结果表明,在钻井液使用的加量范围内,阳离子聚丙烯酰胺CPAM、两性离子聚合物FA367等对天然气水合物的形成有抑制作用,且随着加量的增加抑制作用增强;磺甲基丹宁SMT、木质素磺酸盐FCLS对天然气水合物的形成有微弱的促进作用,但影响不大.聚合物添加剂的离子类型对天然气水合物的形成影响不大.
針對深水鑽井中水基鑽井液易形成天然氣水閤物從而導緻鑽井作業無法正常進行的問題,利用自行設計研製的氣體水閤物反應裝置,模擬深水鑽井溫度壓力條件,對水基鑽井液添加劑進行瞭天然氣水閤物形成的實驗研究.分析瞭各實驗體繫形成水閤物的過冷度.以過冷度為評價指標,評價瞭各種鑽井液添加劑在深水鑽井水閤物形成過程中的作用.結果錶明,在鑽井液使用的加量範圍內,暘離子聚丙烯酰胺CPAM、兩性離子聚閤物FA367等對天然氣水閤物的形成有抑製作用,且隨著加量的增加抑製作用增彊;磺甲基丹寧SMT、木質素磺痠鹽FCLS對天然氣水閤物的形成有微弱的促進作用,但影響不大.聚閤物添加劑的離子類型對天然氣水閤物的形成影響不大.
침대심수찬정중수기찬정액역형성천연기수합물종이도치찬정작업무법정상진행적문제,이용자행설계연제적기체수합물반응장치,모의심수찬정온도압력조건,대수기찬정액첨가제진행료천연기수합물형성적실험연구.분석료각실험체계형성수합물적과랭도.이과랭도위평개지표,평개료각충찬정액첨가제재심수찬정수합물형성과정중적작용.결과표명,재찬정액사용적가량범위내,양리자취병희선알CPAM、량성리자취합물FA367등대천연기수합물적형성유억제작용,차수착가량적증가억제작용증강;광갑기단저SMT、목질소광산염FCLS대천연기수합물적형성유미약적촉진작용,단영향불대.취합물첨가제적리자류형대천연기수합물적형성영향불대.
Natural gas hydrate can be easily formed from the water base drilling fluid during the deep water drilling, which will affect the normal progress of drilling operation. To solve the problem, a reaction equipment was designed and developed, which can simulate the temperature and pressure conditions of deep water drilling .The effects of additives used in water drilling fluids including CPAM, 80A51, HPAM, FA367, NW-1, MP-Ⅱ, HEC, MC, XY-27, SMT, FCLS, EG_(600), HCOONa, HCOOK and NaCl on natural gas hydrate formation were investigated. And the subcooling degree of drilling fluid system was obtained. The result shows that CPAM, 80A51,HPAM, FA367, NW-1, SMP-Ⅱ, HEC, CMC, XY-27, EG_600, HCOONa, HCOOK, NaCl and KCl can inhibit the formation of natural gas hydrate to some degree, but SMT and FCLS can help the formation of natural gas hydrate faintly in water base drilling fluids. The inhibition of the ion species of polymer additives on gas hydrate can be ignored.