Integrated string technique of perforating,running pump and non-well killing operation;
射孔下泵不压井作业一体化管柱
Integrated string technique of reperforating and rod pump running with non-well killing operation;
针对以上难题,通过补层-转抽不压井一体化管柱技术的研究,研制了井下控制工具、芯筒打捞工具、螺旋式防砂气锚,改进了射孔工艺,成功解决了油套环空和油管内部的密封、射孔和不压井作业一体化等问题。
Through field application,the blowout on-off connector can realize snubbing service,and it is improved on the basis of existing problems.
在某油田一年多的现场试验表明 ,该防喷脱接器对接脱锁率高 ,又能实现不压井作业 ;并且通过分析应用过程中出现的问题 ,研究改进 ,使KQG -FP型防喷脱接器在现场上顺利应用。
In the field of low pressure oil and gas wells snubbing service operations was done,and a series of tools were developed,and "rod pump inspection of snubbing service technology","perforation-Completion integration string tec.
油田开展了低压油气井不压井作业技术攻关,开发了系列工具,形成了"杆式泵不压井检泵技术"、"射孔-完井一体化管柱技术"、"自喷井转抽不压井作业技术",并配套了捞砂、防砂、防气等技术,成功解决了常规作业造成的地层污染和潜在风险问题。
Research of Casing Pressure changes in factors in Engineers Killing;
工程师法压井套压变化的影响因素研究
Plugging and killing technologies are necessary for temporary plugging of the thief gas zone.
天东109高含硫天然气井喷漏同存,需要实施堵漏压井技术对气层漏失进行暂堵,但该井属高含硫大产量天然气井,既没有安全钻井液密度窗口,又不具备完井条件,情况复杂,为此研究了固井技术与完井工艺及应急预案,通过认真组织施工,取得了成功经验。
When underbalancedly drilling carbonate reservoirs with developed caves and fractures in Tahe Oilfield, there exist narrow mud density window, various supporting requirements for underbalanced drilling e quipment, uncertain underpressure, difficulties in controlling of bottom hole underpressure and killing well while displacemental leaking and forced well completion, etc.
塔河油田碳酸盐岩储层溶洞、裂隙发育,钻井液密度安全窗口小,欠平衡钻井工艺存在设备配套要求的多样性、欠压值设计难、井底负压控制难、置换性漏失时压井难和强行完井难等技术难点,根据置换性漏失、强行完井施工等要求对井口、井下设备在标准配置的基础上进行了调整,依据碳酸盐岩储层、探井施工的特点提出了循环渐进、灵活的欠压值控制方法,改进的反循环压井技术比平推压井方法减少了压井作业对储层带来的伤害,结合压力传播速度和立管压力值进行井底压力控制的方法提高了压力控制的精度。
When there isn t circulating passage for killing fluid in pipe string of well, method to squeeze well is usually used to killing well.
当井内管柱无压井液循环通道时,常用的压井方法就是挤压井。
Error analysis of stand-pipe pressure control and prediction of surface casing pressure for horizontal well killing process;
水平井压井立压控制误差分析与井口套压预测
Simulation computation of well killing with deepwater driller s method;
深水司钻法压井模拟计算
Calculation of safety pressure margins and circulation rate of well killing by deep water driller s method;
深水司钻压井法安全压力余量及循环流量计算