Petroleum drilling machine tower-shaped derrick sleeving mounting method
A technology of tower-shaped derrick and installation method, which is applied in the direction of drilling equipment, earthwork drilling and production, support devices, etc., can solve the problems of high risk of installation personnel, unscientific installation methods, long installation time, etc., to reduce the risk of falling from high altitude, The effect of saving installation time and reducing installation workload
Active Publication Date: 2015-05-20
BAOJI PETROLEUM MASCH CO LTD +2
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[0003] The purpose of the present invention is to provide a method for installing the tower-shaped derrick package of an oil drilling rig, which solves the problem of unscientific ins
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[0023] The present invention will be described in detail below with reference to the drawings and specific embodiments.
[0024] Reference figure 1 , figure 2 , The implementation object of the package installation method of the present invention, the structure of the embodiment of the tower derrick is that it is divided into 8 sections in order from top to bottom, namely: crane and crane frame 13, derrick upper section 14, derrick The second section 15, the third section of the derrick 16, the fourth section of the derrick 17, the fifth section of the derrick 18, the sixth section of the derrick 19, and the lower section of the derrick 20. ( figure 1 In each section, there is a short downward line at the left and right ends of the lowermost horizontal line (except the lower end of the crown frame 13). The lower end of this short line is the connecting part (to the left and right of the uppermost horizontal line of the next section). Both ends are connected by a short upward lin...
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The invention discloses a petroleum drilling machine tower-shaped derrick sleeving mounting method. The method includes the steps that 1, a crown block and crown block frame is suspended to a wheeled flat car to be transported to a wellhead center line; 2, fine adjustment is conducted till the centers of ear plate holes of a left longitudinal girder and a right longitudinal girder and the centers of ear plate holes in the crown block and crown block frame are aligned with one another, fixedly connected and move upwards, meanwhile the wheeled flat car is moved to the right side of the wellhead center line, and a derrick upper segment is mounted; 3, the wheeled flat car is moved to the wellhead center line, a beam moves downwards along a left guide stand column and a right guide stand column, and connection lugs between the crown block and crown block frame and the derrick upper segment are connected; 4, fine adjustment is conducted on the beam, the left longitudinal girder and the right longitudinal girder till the centers of the ear plate holes in the left longitudinal girders and the right longitudinal girders and the centers of the ear plate holes in the lower end of the derrick upper segment are aligned with one another, fixedly connected and move upwards, meanwhile the wheeled flat car is moved to the right side of the wellhead center line, and a second derrick segment is mounted; 5, the above steps are repeated till all the other segments of the derrick are installed. According to the method, the derrick is assembled at a low position in a segmented mode, the derrick is gradually lifted after the segments are arranged in a sleeving mode, and the derrick is installed.
Description
technical field [0001] The invention belongs to the technical field of oil drilling tower derrick installation, and relates to an oil drilling rig tower derrick suit installation method. Background technique [0002] The oil drilling rig tower derrick has the advantages of stable structure, large operating space and large bearing capacity (compared with other types of derricks under the same weight of the derrick). Or the components are installed at a high position by pulling rods or cranes. The installation workload is large and the installation time is long. At the same time, because personnel need to work at high positions to perform positioning and bolt fastening of derrick individual parts or components, there is a very large risk of personnel falling. Therefore, tower derrick is mainly used on the offshore drilling platform that does not need to disassemble the derrick frequently at present, and the scope of application is limited. Contents of the invention [0003]...
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Login to view more IPC IPC(8): E21B15/00B66C11/02
CPCB66C11/02E21B15/00
Inventor 周忠祥周天明张友会田磊张虎山
Owner BAOJI PETROLEUM MASCH CO LTD
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