A supporting slip for an oil field screw pump production well solves the problem that the original supporting slip cannot pass through a reduced-diameter well section. Specifically, it includes a main body on which slips and friction blocks are connected.
Torque anchor is an anti-drop tool specially designed for screw pump with reference to foreign advanced technology. Torque anchors have the characteristics of simple operation, firm anchoring, convenient use, safety and reliability.
The tubing rotator originally used in the eccentric test process string in the oil field is rotated through the steel ball between the upper and lower joints, and can rotate 360° arbitrarily. However, with the improvement of the process, the tubing rotator is required to stop after turning N turns (usually 3 turns), and vice versa. This tubing rotator is applied to the screw pump oil extraction eccentric test process pipe string, installed on the upper part of the screw pump, and used in conjunction with the eccentric wellhead. When working, the upper joint faces up and the lower joint faces down to connect to the pipe string and follow the pipe. When the column is lowered into the well, the tubing can be rotated under pressure while the pump body is anchored, which can solve the problem of tubing loosening caused by the reaction torque when the screw pump stops during the production process, and can also solve the problem of tubing loosening during the test process. The contradiction between twisted test cables.
The screw pump polished rod plugging device is a safety sealing device that blocks the inner cavity of the tubing during the oil production operation in the oil field. During the operation of the pumping unit, it can not only seal the smooth sucker rod, but also seal the oil pipe space when there is no smooth sucker rod. In order to achieve the purpose of safe production and protection of the surrounding environment.
Tubing anchor is a downhole device for anchoring downhole tubing strings in production and measures. It can improve the stress state of the tubing string, reduce the fatigue damage of the tubing string, control the expansion and contraction of the tubing string, reduce leakage, and extend the service life of the tubing string. Fixing the pipe string during the production process of rod pumping can reduce stroke loss and improve pump efficiency; fixing the pipe string during fracturing, acidification and other processes can improve the pressure-bearing capacity of downhole tools and the pipe string. It can also be used as a mechanism designed to play its role on other downhole tools (such as packers).
The anti-eccentric wear coupling (pipe anti-eccentric wear device) is a supporting tool for sucker rod anti-eccentric wear of pumping wells. It has the characteristics of simple structure, convenient use, long service life and relatively low cost. It is suitable for eccentrically worn pumping wells, especially suitable for eccentrically worn pumping wells and directional inclined wells above the neutral point of the sucker rod. The sucker rod is below the neutral point and matched with the nylon centralizer on the sucker rod body for better anti-eccentric wear effect.
The sucker rod centralizer is a downhole tool for preventing eccentric wear in pumping wells. It is suitable for eccentrically worn pumping wells, especially suitable for eccentrically worn pumping wells and directional inclined wells above the neutral point of the sucker rod, and the neutral point of the sucker rod. Below, with the nylon centralizer on the sucker rod body, the anti-eccentric wear effect is better.
The sucker rod centralizer is a downhole tool for preventing eccentric wear in pumping wells. It is suitable for eccentrically worn pumping wells, especially suitable for eccentrically worn pumping wells and directional inclined wells above the neutral point of the sucker rod, and the neutral point of the sucker rod. Below, with the nylon centralizer on the sucker rod body, the anti-eccentric wear effect is better.
The sucker rod centralizer is a downhole tool for preventing eccentric wear in pumping wells. It is suitable for eccentrically worn pumping wells, especially suitable for eccentrically worn pumping wells and directional inclined wells above the neutral point of the sucker rod, and the neutral point of the sucker rod. Below, with the nylon centralizer on the sucker rod body, the anti-eccentric wear effect is better.
Tubing centralizers are mainly used for centralizing tubing in inclined wells of oil and water wells, to prevent the tubing and casing wall from being worn out by tubing creeping during pumping work; and for cleaning the inner wall of the casing.
The sucker rod centralizer is a new downhole tool developed by our company to prevent eccentric wear in pumping wells. It is suitable for eccentrically worn pumping wells, especially suitable for eccentrically worn pumping wells and directional inclined wells above the neutral point of the sucker rod. Below the neutral point of the sucker rod, matched with the nylon centralizer on the sucker rod body, the effect of anti-eccentric wear is better.
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