研制了液压坐封gy241型锚定器和“自封与压缩胶筒”双重密封的ZY331型反洗封隔器。
A hydraulic setting anchor of type GY241, and a double packing ZY331 back washing packer features in self pack and rubber sleeve pack are developed.
封隔器上的卡瓦锚定后起到支撑封隔器、锁定胶皮筒的作用，其性能好坏直接影响到油井的产量和生产安全。
The slips in the packer is for supporting packer and for locking rubber after anchoring. The capability of the slips influences directly on oil well yield and productive safety.
针对化学防砂在长井段多油层的油水井防砂时缺少可靠的胶筒密封和卡瓦锚定的分层防砂工具的问题，研制了水力密闭式分层化学防砂工具。
There is a lack of dependable layered sand control tools that are rubber sealed and clamp anchored in chemical sand control of oil and water wells with long intervals and multiple layers.
针对化学防砂在长井段多油层的油水井防砂时缺少可靠的胶筒密封和卡瓦锚定的分层防砂工具的问题，研制了水力密闭式分层化学防砂工具。
There is a lack of dependable layered sand control tools that are rubber sealed and clamp anchored in chemical sand control of oil and water wells with long intervals and multiple layers.
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