套管泵由压力检测装置、减速装置和密封皮碗等组成。
The casing pump includes the pressure test device, speed reducer and sealing cup.
针对自封式皮碗封隔器存在下井阻力大、皮碗易损坏和密封效果差等缺点，研制了HNX344—114型皮碗封隔器。
Model HNX344—114 cup packer is developed in the light of frequent failure and bad sealing effect of self sealed cup packers.
针对自封式皮碗封隔器存在下井阻力大、皮碗易损坏和密封效果差等缺点，研制了HNX344—114型皮碗封隔器。
Model HNX344—114 cup packer is developed in the light of frequent failure and bad sealing effect of self sealed cup packers.
应用推荐