公开(公告)号：US06131451A

公开(公告)日：2000-10-17

申请号：US019364

申请日：1998-02-05

申请人： John Izbicki ,  Allen H. Christensen ,  Steven M. Crawford ,  Randall T. Hanson ,  Peter Martin ,  Gregory Smith

发明人： John Izbicki ,  Allen H. Christensen ,  Steven M. Crawford ,  Randall T. Hanson ,  Peter Martin ,  Gregory Smith

IPC分类号： E21B47/10 ,  E21B49/08 ,  E31B47/10

CPC分类号： E21B47/1015 ,  E21B49/08

摘要： An apparatus for and a process of evaluating well bore flow of water and for sampling of water within a well. A hose is inserted into the well to a known depth. To evaluate the water, a tracer fluid is introduced into the hose until the pressure within the hose exceeds the hydrostatic pressure at the known depth by a preset amount. The tracer fluid is then rapidly released into the well. The tracer fluid is detected in water pumped from the well, and the elapsed time between release of the tracer fluid into the well and detection of the tracer fluid in the water pumped from the well is determined. The process is repeated at a second known depth, and the tracer fluid travel time between the two depths is determined. From this and the cross-sectional area of the well, the incremental volumetric well bore inflow to the well between the two depths is calculated. The process can be repeated at several depths within the well to permit construction of a velocity profile of water movement within the well. To obtain a water sample from the well, the hose is inserted to the desired depth, and an inert gas is introduced into the hose. The gas is then vented from the hose, and water from the well enters the hose to replace the vented gas. The hose is then withdrawn from the well, and gas is again introduced into the hose, causing the water sample to be discharged. Appropriate valves are provided to control the apparatus.

公开(公告)号：US6164127A

公开(公告)日：2000-12-26

申请号：US362213

申请日：1999-07-28

申请人： John Izbicki ,  Allen H. Christensen ,  Steven M. Crawford ,  Randall T. Hanson ,  Peter Martin ,  Gregory Smith

发明人： John Izbicki ,  Allen H. Christensen ,  Steven M. Crawford ,  Randall T. Hanson ,  Peter Martin ,  Gregory Smith

IPC分类号： E21B47/10 ,  E21B49/08 ,  E21B49/00 ,  G01N1/00

CPC分类号： E21B47/1015 ,  E21B49/08

摘要： An apparatus for and a process of evaluating well bore flow of water and for sampling of water within a well. A hose is inserted into the well to a known depth. To evaluate the water, a tracer fluid is introduced into the hose until the pressure within the hose exceeds the hydrostatic pressure at the known depth by a preset amount. The tracer fluid is then rapidly released into the well. The tracer fluid is detected in water pumped from the well, and the elapsed time between release of the tracer fluid into the well and detection of the tracer fluid in the water pumped from the well is determined. The process is repeated at a second known depth, and the tracer fluid travel time between the two depths is determined. From this and the cross-sectional area of the well, the incremental volumetric well bore inflow to the well between the two depths is calculated. The process can be repeated at several depths within the well to permit construction of a velocity profile of water movement within the well. To obtain a water sample from the well, the hose is inserted to the desired depth, and an inert gas is introduced into the hose. The gas is then vented from the hose, and water from the well enters the hose to replace the vented gas. The hose is then withdrawn from the well, and gas is again introduced into the hose, causing the water sample to be discharged. Appropriate valves are provided to control the apparatus.

摘要翻译： 评估井的井眼流量和井内水的取样的装置和过程。 将软管插入井中至已知的深度。 为了评估水，将示踪剂流体引入软管中，直到软管内的压力超过已知深度处的预定量的静水压力。 然后将示踪液快速释放到井中。 在从井中泵送的水中检测到示踪剂流体，并且确定示踪剂流体释放到井中之间的经过时间以及从井中泵送的水中的示踪剂流体的检测。 该过程在第二已知深度处重复，并且确定两个深度之间的示踪剂流体行进时间。 从该井和井的横截面积中，计算两个深度之间的井的增量体积井眼流入。 该过程可以在井内的若干深度重复，以允许在井内构造水运动的速度分布。 为了从井中获得水样，将软管插入所需的深度，并将惰性气体引入软管中。 然后将气体从软管排出，并且来自井的水进入软管以更换排气。 然后将软管从井中取出，并将气体再次引入软管中，导致水样品排出。 提供适当的阀门来控制装置。