A method of offshore oil extraction
A mining method and offshore oil technology, applied in the direction of mining fluid, earthwork drilling, wellbore/well components, etc., can solve the problems of lack of protection facilities for oil extraction pipes, difficulties in the installation of oil extraction pipes, and lack of limit devices, etc., so as to improve drilling efficiency. High accuracy, efficient installation process, and avoid water accumulation
Active Publication Date: 2020-10-30
淮安奥正网络科技有限公司
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Problems solved by technology
[0003] In offshore oil production, the most important thing is the setting of the underwater Christmas tree. The current installation method lacks a good protection device for the predetermined oil production position. It is difficult to install the oil extraction pipe. Lack of protective facilities during use, limited service life
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[0037] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.
[0038] Such as Figure 1-Figure 6 Shown, a kind of offshore oil production method described in the present invention, this method comprises the following steps:
[0039] S1, build an oil exploration platform directly above the oil production area;
[0040] S2, directly above the oil exploitation platform in S1, install the Christmas tree on the seabed by using the Christmas tree pre-installation equipment;
[0041] S3, on the basis of S2, use drilling rigs to drill for seabed oil;
[0042] After S4 and S3 are completed, lower the oil extraction pipeline into the borehole;
[0043] S5, on the basis of S3, use the oil pump to extract the oil;
[0044] The Christmas tree pre-installation equipment used in this method includes a support mechanism ...
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The invention relates to the technical field of petroleum exploitation, in particular to an offshore petroleum exploitation method. The method comprises the following steps that S1, a petroleum exploitation platform is established above an oil exploitation area; S2, on the upper portion of the petroleum exploitation platform in the S1, a Christmas tree is installed on the seabed by Christmas treepre-installation equipment; S3, on the basis of S2, a drilling machine is used for drilling seabed petroleum; S4, after the S3 is completed, an oil pumping pipeline is lowered into a drilling hole; and S5, on the basis of the S3, the petroleum is extracted by an oil-well pump. According to the Christmas tree pre-installation equipment, an oil pumping pipe can be quickly installed, it is guaranteedthat the installation position of the oil pumping pipe is in less contact with sea water during the whole installation process, the precision of petroleum drilling is improved, and an installation pipe can protect the oil pumping pipe, the problem that the oil pumping pipe is corroded by sea water and sea mud is avoided, and the service life of oil pumping pipe is prolonged.
Description
technical field [0001] The invention relates to the technical field of oil extraction, in particular to an offshore oil extraction method. Background technique [0002] Oil and gas exploitation activities in the inland sea, continental shelf and deep sea areas; including geological research, feasibility analysis, engineering design, drilling, acquisition, storage and transportation and other operations. Among them, geological research and engineering design are roughly the same as onshore oil field development, but drilling, acquisition, storage and transportation, etc. are fundamentally different from those on land; offshore oil and gas development involves oceanography, meteorology, hydraulics, fluid mechanics, structural mechanics, etc. Disciplines, as well as professional technologies such as shipbuilding, navigation, environmental protection, materials, and underwater acoustic engineering. [0003] In offshore oil production, the most important thing is the setting of ...
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IPC IPC(8): E21B43/01E21B43/013E21B33/035
CPCE21B33/035E21B43/01E21B43/013
Inventor 林继承赵军
Owner 淮安奥正网络科技有限公司