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Oil drilling equipment

一种石油钻井、设备的技术，应用在钻井设备、钻孔设备和方法、钻井的自动控制系统等方向，能够解决难以处理高空落物、防护可靠性差、操作人员伤害等问题，达到降低劳动强度和精神紧张程度、降低设备维修费用、提高安全性的效果

Active Publication Date: 2018-01-23
HENAN QISHENGWEI IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Once this kind of problem occurs, it will cause very serious consequences. The top drive and the second-story platform will be directly damaged, and the operators on the second-story platform will be injured. The location of the second-story platform is about 26 meters high. Falling objects threaten the wellhead staff, and indirectly affect all aspects of drilling construction
This kind of serious safety hazard has a high probability of occurrence, and the reliability of manual protection by operators alone is too poor, resulting in high pressure and mental stress

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] combined with Figure 1-3 , to further describe the present invention:

[0019] A kind of oil drilling equipment mentioned in the present invention comprises a top drive 1, a guide rail 2, a two-story platform 3, a drill floor 4, a top drive ring 5, a derrick 6, a crown block 7, a drawworks 8, and a drum instrument shaft 9. A derrick 6 is fixed on the drill floor 4 of the derrick 6, a crown block 7 is installed on the top of the derrick 6, and a guide rail 2 is installed inside the derrick 6, and a second-story platform 3 is arranged above the drill floor 4, and the second-story platform 3 is fixed on the derrick 6, one end of the wire rope is connected to the top drive 1, and the other end is connected to the winch 8 by bypassing the crown block 7. The top drive ring 5 is installed at the bottom of the top drive 1, and the top drive ring 5 can realize forward tilt and backward tilt , Suspension action, it is characterized in that: the forward leaning position of descr...

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Abstract

The invention relates to oil drilling equipment. The forward tilt position and the backward tilt position of a top drive hanging ring are each provided with a hanging ring position detecting switch. Ahanging ring suspension detection switch is arranged in the middle suspension position and used for judging the position state of the top drive lifting ring. An encoder is installed on a winch. Whena rolling drum on the winch rotates by one round, the encoder can output multiple pulse records. A central controller indicates the height of a top drive in a derrick according to the pulse number recorded by the encoder. By processing and comparing the position of the top drive hanging ring with the height of the top drive in the central controller, collision prevention of a two-layer table is achieved. The oil drilling equipment has the beneficial effects that two independent equipment systems of the top drive and the winch are combined organically, the shortcomings of design of the top drive and the winch are overcome, the safety of equipment operation can be greatly improved, and collision of the top drive ring and the derrick two-layer table and resulting other serious related accidents caused by human errors can be effectively prevented.

Description

technical field [0001] The invention relates to a petroleum drilling equipment. Background technique [0002] Top drive is the cutting-edge technology and equipment of today's oil drilling. It can complete various drilling operations such as drill string rotary drilling, drilling fluid circulation, single root connection, make-up and breakout, and back reaming. Now various types of drilling rigs are becoming more and more popular. Many top drives are equipped with top drives, and the main structures and working principles of various top drives are the same. Although the functions of the top drive are very powerful, there is a big safety hazard in the drilling construction: the top drive does not need to be used when tripping. Stop and repeat the process of forward tilting, backward tilting and suspension (middle position) of the lifting ring, and at the same time repeat the up and down movement process from above and below the second-floor platform to the wellhead. This is a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B44/00E21B3/02
CPCE21B3/02E21B15/00E21B19/00E21B44/00
Inventor 聂德武毛江
Owner HENAN QISHENGWEI IND CO LTD
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