Opposite buckling device
A technology of adjusting devices and guide rails, which is applied in the direction of drilling equipment, earthwork drilling, drilling pipes, etc., can solve problems such as difficulty in ensuring accuracy, and achieve the effect of solving accuracy and eliminating displacement
Pending Publication Date: 2020-01-21
SHENGLI OILFIELD SHENGJI PETROLEUM EQUIP
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Problems solved by technology
[0004] The purpose of the present invention is to provide a stabbing device to solve the technical problem in the prior art that it is difficult to ensure the accuracy when the mechanical hand supports the buckle.
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[0044] The technical solutions of the present invention will be clearly and completely described below in conjunction with embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0045] In this embodiment, in order to solve the technical problem of low accuracy of the buckle of the manipulator, specifically, in the process of lifting and lowering the pipe string, the slips will shift in position with the load change that occurs every time the pipe string is lifted or lowered, resulting in Each time the manipulator holds the pipe to the center of the wellhead and the pipe string clamped by the slip is on a different axis, there is a certain position deviation. Because the manipulator cannot identify th...
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The invention provides an opposite buckling device and relates to the technical field of automatic well repairing work equipment. The opposite buckling device comprises a slip and an opposite bucklingbody. The opposite buckling body is connected with the slip so that the opposite buckling body can move integrally along with the slip, when the slip is deflected and floats along with changes of derrick suspending, the opposite buckling body can move integrally along with position changes of the slip, furthermore, the opposite buckling body is provided with an opposite buckling channel, and theopposite buckling channel corresponds to the coupling position of the slip and is used for limiting pipe column butt connection at the coupling position of the slip. Due to integral design on the opposite buckling body and the slip, the displacement between the opposite buckling body and the slip in the opposite buckling process can be eliminated, when butt connection is conducted on a pipe column, the pipe column can be in better butt connection with a pipe column in the slip, and the technical problem that in the prior art, during mechanical hand supporting pipe opposite buckling, precisionis hardly ensured is solved.
Description
Technical field [0001] The invention relates to the technical field of automated workover equipment, in particular to a pairing device. Background technique [0002] In the field of automated workover operations, it is necessary to buckle the pipe string in the wellhead. The existing buckle operation gradually uses the drill floor manipulator instead of the manual pipe support, although the repetitive action of the pipe support and the buckle by the manipulator has advantages. However, the operating condition of the manipulator is to ensure that the position of the collar of the center string of the wellhead is relatively stable. [0003] In the prior art overhaul operations, floating slips are generally used to fix the pipe string in the wellhead. However, the position of the floating slips in the center of the wellhead will shift and float to a certain amount as the suspension load of the derrick changes. Moreover, the amount of movement and the direction of movement are uncerta...
Claims
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IPC IPC(8): E21B19/16E21B19/24
CPCE21B19/16E21B19/24
Inventor 杨松筠朱桂林沈君芳杜丙国李洋孙宝京王贺于吉迪崔晓雨徐同乐
Owner SHENGLI OILFIELD SHENGJI PETROLEUM EQUIP