Door type derrick with crown block adjustable in transverse direction and longitudinal direction
A technology of vertical adjustment and horizontal adjustment, which is applied in the field of oil and gas drilling, which can solve the problems of low operating cost, high operating cost, inconvenient wellhead adjustment, etc., and achieve the effect of cost reduction
Active Publication Date: 2013-08-21
RG PETRO MACHINERY GROUP
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Problems solved by technology
[0003] 1. The injection head is lifted by a crane, and the drilling and workover operations are mainly carried out by lifting the injection head with a large-tonnage crane. This method is more flexible in wellhead adjustment, but the use cost is high, and the hydraulic cylinder boom of the crane is unstable;
[0004] 2. The injection head is lifted by the vertical gantry type derrick, and the injection head is mainly lifted by the crown block and the hook to carry out drilling and workover operations. This method is low in use cost, but the wellhead adjustment is inconvenient
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[0018] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0019] Such as figure 1 , figure 2 As shown, the gantry derrick with horizontal and vertical adjustment of the crown block is mainly used to lift the coiled tubing injection head in the working range, and adjust the injection head at the wellhead position vertically and laterally through the hydraulic cylinder of the crown head adjustment mechanism. It includes two cranes 1, derrick body 2, Y-shaped bracket 3, and adjusting screw 4. The crown block 1 is welded on the derrick body 2, the other end of the derrick body 2 is hinged with the Y-shaped bracket 3 through a pin, and fixed by a hasp. The top of the Y-shaped bracket 3 is hinged with the derrick body 2 and fixed by a hasp. The leading screw 4 is fixed, and one end of the adjusting leading screw 4 is hinged with the Y-shaped support 3, and the other end is connected with the vehicle fram...
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The invention discloses a door type derrick with a crown block adjustable in the transverse direction and the longitudinal direction. The door type derrick comprises the crown block, a derrick body, a Y-type support and adjusting screw rods, wherein the crown block is arranged on the upper portion of the derrick body in a welding mode, the derrick body is connected with the Y-type support through pin shafts and hasps, and the adjusting screw rods are connected with the derrick body in a hinged mode. The crown block is provided with a longitudinal-adjusting hydraulic cylinder, one end of the longitudinal-adjusting hydraulic cylinder is hinged to a base, the other end of the longitudinal-adjusting hydraulic cylinder is hinged to a longitudinal-adjusting base, the base supports the longitudinal-adjusting base, guiding is conducted by a guiding block, the longitudinal-adjusting base supports a transverse-adjusting base, guiding is conducted by a guiding block, the longitudinal-adjusting base is connected with a transverse-adjusting hydraulic cylinder in a hinged mode, the transverse-adjusting base is connected with the transverse-adjusting hydraulic cylinder in a hinged mode, and the transverse-adjusting base supports a pulley block. The door type derrick is mainly used for lifting an injection head, transverse adjustment and longitudinal adjustment can be conducted, normal working of the injecting head is ensured, adjustment of a well opening is convenient, and using cost is low.
Description
technical field [0001] The invention relates to the technical field of oil and gas drilling, in particular to a portal-type derrick whose crown block can be adjusted horizontally and vertically. Background technique [0002] With the development of coiled tubing vehicles and the efficiency of drilling and workover operations gradually being recognized by oilfield users, coiled tubing operations are now more and more widely used in workover and drilling. The key component of coiled tubing is the tubing injection head, which is now used to lift There are two ways to work the tubing injection head: [0003] 1. The injection head is lifted by a crane, and the drilling and workover operations are mainly carried out by lifting the injection head with a large-tonnage crane. This method is more flexible in wellhead adjustment, but the use cost is high, and the hydraulic cylinder boom of the crane is unstable; [0004] 2. The injection head is lifted by the vertical gantry type derr...
Claims
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Inventor 魏柳兴高加索张学瑜马进生刘钦祥周莉莉鲍正强刘纪超
Owner RG PETRO MACHINERY GROUP