Technical Innovation of Ultra-Deep Well Drilling Rig and Its Development Trend
International Journal of Oil, Gas and Coal Engineering
Volume 7, Issue 1, January 2019, Pages: 26-32
Received: Dec. 13, 2018;
Accepted: Jan. 3, 2019;
Published: Jan. 29, 2019
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Fang Taian, CNPC Engineering Technology R&D Company Ltd., Beijing, China; National Engineering Laboratory for Oil and Gas Drilling Technology, Beijing, China
Zhou Zhixiong, CNPC Engineering Technology R&D Company Ltd., Beijing, China; National Engineering Laboratory for Oil and Gas Drilling Technology, Beijing, China
Wu Changliang, CNPC Engineering Technology R&D Company Ltd., Beijing, China; National Engineering Laboratory for Oil and Gas Drilling Technology, Beijing, China
Yang Xiaoguang, CNPC Engineering Technology R&D Company Ltd., Beijing, China; National Engineering Laboratory for Oil and Gas Drilling Technology, Beijing, China
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8000-meter drilling rig and quadruple joint 9000-meter drilling rig have been developed for ultra-deep and complex wells of the complicated geological structure area in Tarim Basin, China. The key components of the drilling rigs are redesigned and innovated, including optimization of the high bearing capacity derricks and substructures and a completely new design of integrated single shaft drawworks with the compacted strand wire rope. The rotary table and its driving device with larger torque and load capacity, the high-pressure drilling pump with a high power, intelligent top drive system, casing running device with good compatibility, and automated pipe handling system are equipped. Field application shows that 8000 meters drilling rig, compared with the conventional 9000-meter drilling rig, can save equipment procurement costs by about 20%, reduce drilling operational costs 37%. In addition, the quadruple joint 9000-meter drilling rig can reduce the tripping time by more than 20%, and that the pressure is difficult to control in the complicated formation by conventional drilling rigs can be avoided to a certain extent. At the end of this paper, the advantages and the problems to be solved urgently of the ultra-deep well drilling rigs are expounded.
Ultra-Deep Drilling Rig, Quadruple Joint, Compacted Strand Wire Rope, Intelligent TDS, Casing Running Device, Automated Pipe Handling System
To cite this article
Technical Innovation of Ultra-Deep Well Drilling Rig and Its Development Trend, International Journal of Oil, Gas and Coal Engineering.
Vol. 7, No. 1,
2019, pp. 26-32.
Copyright © 2019 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/
) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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