CN112412436B - A kind of downhole parameter measurement monitoring system - Google Patents

A kind of downhole parameter measurement monitoring system Download PDF

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Publication number
CN112412436B
CN112412436B CN202011178672.3A CN202011178672A CN112412436B CN 112412436 B CN112412436 B CN 112412436B CN 202011178672 A CN202011178672 A CN 202011178672A CN 112412436 B CN112412436 B CN 112412436B
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section
sensor
sealing
short section
signal conversion
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CN112412436A (en
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段文广
孙宝江
潘登
刘健
王志远
张剑波
付玮琪
童仕坤
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China University of Petroleum East China
CNPC Xibu Drilling Engineering Co Ltd
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China University of Petroleum East China
CNPC Xibu Drilling Engineering Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/06Measuring temperature or pressure

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Mechanical Engineering (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

本发明涉及一种井下参数测量监控系统,包括主体,主体外套有保护套筒,主体下端对接有传感器短节,传感器短节分为传感器短节上段和传感器短节下段,传感器短节外套有外筒,外筒上端与保护套筒下端对接,传感器短节下段下端连接有旁通短节,外筒下端对接有信号转换短节,信号转换短节下端对接有仪器外筒,仪器外筒内部设置有探管外筒。本发明的有益效果是:实时监测井下钻具的工作情况,及时掌握井下钻井工况,避免或减少了事故的发生,降低了经济损失,提速勘探开发进程。

Figure 202011178672

The invention relates to a downhole parameter measurement and monitoring system, which comprises a main body, a protective sleeve is provided on the outer casing of the main body, a sensor short section is butted at the lower end of the main body, the sensor short section is divided into an upper section of the sensor short section and a lower section of the sensor short section, and the sensor short section jacket has an outer section. The upper end of the outer cylinder is butted with the lower end of the protective sleeve, the lower end of the lower section of the sensor sub-section is connected with a bypass sub-section, the lower end of the outer cylinder is docked with a signal conversion sub-section, and the lower end of the signal-conversion sub-section is docked with the instrument outer cylinder, and the instrument outer cylinder is arranged inside There is a probe tube outer tube. The invention has the beneficial effects of monitoring the working conditions of the downhole drilling tools in real time, grasping the working conditions of the downhole drilling tools in time, avoiding or reducing the occurrence of accidents, reducing economic losses, and speeding up the exploration and development process.

Figure 202011178672

Description

Underground parameter measurement monitoring system
Technical Field
The invention relates to a downhole parameter measuring and monitoring system, and belongs to the field of oil and gas extraction.
Background
Because the well drilling process is concealed and complicated, well drilling accidents in deep wells and ultra-deep wells with complicated stratums are frequent, the exploration and development of oil and gas fields are severely restricted, and huge economic loss is caused. In the process of oil field exploitation, monitoring and automatic control of field projects are indispensable for safe and economic operation, and downhole temperature and pressure need to be measured timely. Particularly, in a pilot test and a field project test of petroleum thermal recovery, the temperature and the pressure at the bottom of a well are high, so that the temperature and the pressure at the bottom of the well need to be measured continuously and sampled to read. Because the underground measurement condition and the precision requirement are higher, the continuous monitoring oil field underground temperature and pressure device with high precision, low cost and good real-time property is urgently needed to be developed and researched by people.
With the development of measurement while drilling technology, the development and the attack of an underground parameter measurement system are carried out at home and abroad, the measurement of single parameters such as well deviation, direction, pressure and the like is realized, and the problems of unstable underground work, poor field applicability and the like exist. The systems such as copilot, NDS and the like developed and popularized by foreign companies have good effects in field application, but the foreign technologies are not sold in China at present. The invention solves the problem that the instruments are not suitable in earlier stage in China, makes up for the shortage of domestic technology and breaks through the monopoly of foreign technology.
Disclosure of Invention
In order to solve the technical defects, the invention provides the underground parameter measuring and monitoring system which can monitor the working condition of the underground drilling tool in real time, avoid or reduce the occurrence of accidents and reduce the economic loss.
The invention is realized by the following measures:
a downhole parameter measuring and monitoring system comprises a main body, wherein a protective sleeve is sleeved outside the main body, the lower end of the main body is butted with a sensor short joint, the sensor short section is divided into an upper sensor short section and a lower sensor short section, an outer cylinder is sleeved outside the sensor short section, the upper end of the outer cylinder is butted with the lower end of the protective sleeve, the outer cylinder is provided with a pressure transfer hole, a seal ring capable of sealing the pressure transfer hole is sleeved on the lower section of the sensor short section, the lower end of the lower section of the sensor short section is connected with a bypass short section, the lower end of the outer cylinder is butted with a signal conversion short section, the lower end of the signal conversion short section is butted with the outer cylinder of the instrument, a conductive sliding ring is arranged between the signal conversion short section and the outer cylinder of the instrument, an outer cylinder of the probe tube is arranged in the outer cylinder of the instrument, an upper sealing plug of the probe tube is arranged at the upper end of the outer cylinder of the probe tube, a lower sealing plug of the probe tube is arranged at the lower end of the outer cylinder of the probe tube, and a sealing plug pressing ring is arranged at the lower end of the lower sealing plug of the probe tube; the inner tube signal conversion sealing joint is arranged in the signal conversion short section, a lower rotary outer joint outer barrel is connected between the inner tube signal conversion sealing joint and the bypass short section, and an elastic telescopic barrel, a compression spring, a contact pin female head, an elastic retainer ring for a hole, a contact pin male head, a contact pin pressing cap and a contact pin pressing ring are arranged in the lower rotary outer joint outer barrel.
A tension sensor is arranged between the protective sleeve and the body, a sealing ring is arranged between the protective sleeve and the body, and an end face hole plug is arranged at the upper end of the main body.
The outer cylinder is connected with the signal conversion nipple through a screw thread and is provided with a sealing ring, the upper end of the upper section of the sensor nipple is connected with the body through a screw thread and is provided with a sealing ring, the lower end of the upper section of the sensor nipple is connected with the lower section of the sensor nipple through a screw thread and is provided with a sealing ring, the lower section of the sensor nipple is connected with a connecting sleeve through a bypass nipple, the connecting sleeve is provided with a sealing ring, the inner cylinder signal conversion sealing joint is fixed with a sealing plug pressing ring, the sealing ring is arranged on the inner cylinder signal conversion sealing joint, the lower rotation outer joint outer cylinder is connected with the bypass nipple and the conversion sealing joint through a screw thread, and the sealing ring is arranged at the joint.
The body, the signal conversion short section and the instrument outer barrel are all connected with a test port top cover through hexagon socket head cap screws, and a sealing ring is sleeved on the test port top cover.
An anti-rotation screw hole is transversely formed in the upper section of the sensor short section, and an inner hexagonal socket head cap screw is installed in the anti-rotation screw hole.
The invention has the beneficial effects that: the working condition of the underground drilling tool is monitored in real time, the underground drilling working condition is mastered in time, accidents are avoided or reduced, economic loss is reduced, and the exploration and development process is accelerated.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a partially enlarged schematic view of the present invention.
Fig. 3 is a partially enlarged schematic view of the present invention.
Fig. 4 is a partially enlarged structural diagram of the present invention.
Wherein: the device comprises a body 1, a 2 end face hole plug, a 3 test port top cover, a 4 protective sleeve, a 5 outer cylinder, a 6 sensor short section upper section, a 7 sensor short section lower section, an 8 connecting sleeve, a 9 bypass short section, a 10 inner hexagonal cylinder head screw, a 11 compression spring, a 12 pin female head, a 13 elastic telescopic cylinder, a 14 hole elastic retainer ring, a 15 pin pressing cap, a 16 inner cylinder signal conversion sealing joint, a 17 pin pressing ring, a 18 lower rotation outer joint outer cylinder, a 19 signal conversion short section, a 20 pin male head, a 21 conductive sliding ring, a 23 instrument outer cylinder, a 24 probe upper sealing plug, a 25 probe outer cylinder, a 26 sealing plug pressing ring and a 27 probe lower sealing plug.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1-4, a downhole parameter measuring and monitoring system comprises a main body, a protective sleeve 4 is sleeved outside the main body, a sensor short section is butted at the lower end of the main body, the sensor short section is divided into a sensor short section upper section 6 and a sensor short section lower section 7, an outer cylinder 5 is sleeved outside the sensor short section, the upper end of the outer cylinder 5 is butted with the lower end of the protective sleeve 4, a pressure transfer hole is formed in the outer cylinder 5, a sealing ring capable of sealing the pressure transfer hole is sleeved on the sensor short section lower section 7, a bypass short section 9 is connected at the lower end of the sensor short section lower section 7, a signal conversion short section 19 is butted at the lower end of the outer cylinder 5, an instrument short section outer cylinder 23 is butted at the lower end of the signal conversion short section 19, a conductive slip ring 21 is arranged between the signal conversion section 19 and the instrument outer cylinder 23, a probe outer cylinder 25 is arranged inside the instrument outer cylinder 23, a probe upper sealing plug 24 is arranged at the upper end of the probe outer cylinder 25, a probe lower sealing plug 27 is arranged at the lower end of the probe outer cylinder 25, the lower end of the lower sealing plug 27 of the probe tube is provided with a sealing plug pressing ring 26; an inner cylinder signal conversion sealing joint 16 is arranged in the signal conversion short section 19, a lower rotary outer joint outer cylinder 18 is connected between the inner cylinder signal conversion sealing joint 16 and the bypass short section 9, and an elastic telescopic cylinder 13, a compression spring 11, a pin female head 12, an elastic retainer ring 14 for a hole, a pin male head 20, a pin pressing cap 15 and a pin pressing ring 17 are arranged in the lower rotary outer joint outer cylinder 18.
A tension sensor is arranged between the protective sleeve 4 and the body 1, a sealing ring is arranged between the protective sleeve 4 and the body 1, and an end face hole plug 2 is arranged at the upper end of the main body. The outer cylinder 5 is connected with the signal conversion short section 19 through a screw thread and is provided with a sealing ring, the upper end of the upper section 6 of the sensor short section is connected with the body 1 through a screw thread and is provided with a sealing ring, the lower end of the upper section is connected with the lower section 7 of the sensor short section through a screw thread and is provided with a sealing ring, the lower section 7 of the sensor short section is connected with the connecting sleeve 8 through the bypass short section 9, the connecting sleeve 8 is provided with a sealing ring, the inner cylinder signal conversion sealing joint 16 is fixed with a sealing plug pressing ring 26, the inner cylinder signal conversion sealing joint 16 is provided with a sealing ring, the lower rotation outer joint outer cylinder 18 is connected with the bypass short section 9 and the conversion sealing joint through a screw thread, and the sealing ring is arranged at the joint. The body 1, the signal conversion short section 19 and the instrument outer cylinder 23 are all connected with a test port top cover 3 through inner hexagonal socket head cap screws 10, and a sealing ring is sleeved on the test port top cover 3. An anti-rotation screw hole is transversely formed in the upper section 6 of the sensor short section, and an inner hexagonal socket head cap screw 10 is installed in the anti-rotation screw hole.
The end face hole plug 2 is sleeved with a sealing ring and connected with the body 1 through a screw thread, the sealing ring is sleeved on the test port top cover 3 and then fixed on the body 1, the signal conversion short section 19 and the instrument outer barrel 23 through hexagon socket head cap screws 10, the protective sleeve 4 is sleeved on the lower portion of the body 1, and a tension sensor is installed between the protective sleeve 4 and the body 1 and sealed through the sealing ring. The urceolus 5 utilizes the screw thread to be connected with signal conversion nipple joint 19 to seal with the sealing washer, 6 one end in sensor nipple joint upper segment utilizes the screw thread to link to each other with body 1, the other end utilizes the screw thread to link to each other with sensor nipple joint hypomere 7 and seal with the sealing washer respectively, 6 both ends in sensor nipple joint upper segment have still designed the installation and prevent changeing the screw hole, install hexagon socket head cap screw 10 in the screw hole and be used for preventing the relative rotation between body 1, sensor nipple joint upper segment 6 and the sensor nipple joint hypomere 7 three. The lower section 7 of the sensor short section is sleeved in the outer barrel 5, a pressure transmission hole is formed in the outer barrel 5, a sealing ring is arranged on the lower section 7 of the sensor short section and used for sealing the pressure transmission hole in the outer barrel 5, the lower section 7 of the sensor short section is connected with the bypass short section 9 through the connecting sleeve 8, the sealing ring is arranged on the connecting sleeve 8, the signal conversion short section 19 is connected to the lower portion of the outer barrel 5 through a screw thread, an inner barrel signal conversion sealing joint 16 is arranged inside the signal conversion short section 19 and fixed through a sealing plug pressing ring 26, the sealing ring is designed on the conversion sealing joint, and the bypass short section 9 and the conversion sealing joint are connected together through the screw thread by. An elastic telescopic cylinder 13, a compression spring 11, a pin female head 12, an elastic retainer ring 14 for holes, a pin male head 20, a pin pressing cap 15 and a pin pressing ring 17 are arranged in the lower rotary outer joint outer cylinder 18. The lower part of the signal conversion short section 19 is connected with an instrument outer cylinder 23 through a screw thread, a conductive sliding ring 21 is arranged between the instrument outer cylinders 23 and connected with the lower part of the signal conversion short section 19 through a screw thread, a probe outer cylinder 25 is arranged inside the instrument outer cylinder 23, a probe upper sealing plug 24 is arranged at the upper end of the probe outer cylinder 25, a probe lower sealing plug 27 is arranged at the lower end of the probe outer cylinder and is sealed by a sealing ring, and a sealing plug pressing ring 26 is further arranged at the lower end of the probe lower sealing plug 27 and is used for.
The foregoing is only a preferred embodiment of this patent, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of this patent, and these modifications and substitutions should also be regarded as the protection scope of this patent.

Claims (2)

1.一种井下参数测量监控系统,其特征在于:包括主体,所述主体外套有保护套筒,主体下端对接有传感器短节,所述传感器短节分为传感器短节上段和传感器短节下段,传感器短节外套有外筒,所述外筒上端与保护套筒下端对接,所述外筒上开有传压孔,传感器短节下段上套有可密封传压孔的密封圈,传感器短节下段下端连接有旁通短节,外筒下端对接有信号转换短节,信号转换短节下端对接有仪器外筒,并且信号转换短节与仪器外筒之间设置有导电滑环,仪器外筒内部设置有探管外筒,探管外筒上端设置有探管上密封塞,探管外筒下端设置有探管下密封塞,探管下密封塞下端设置有密封堵头压环;信号转换短节内部装有内筒信号转换密封接头,内筒信号转换密封接头与旁通短节之间连接有下旋转外接头外筒,所述下旋转外接头外筒内部装有弹性伸缩筒、压所缩弹簧、插针母头、孔用弹性档圈、插针公头、插针压帽和插针压环;1. A downhole parameter measurement monitoring system is characterized in that: comprising a main body, the main body is covered with a protective sleeve, the lower end of the main body is butted with a sensor short section, and the sensor short section is divided into a sensor short section upper section and a sensor short section lower section , the sensor short section is covered with an outer cylinder, the upper end of the outer cylinder is butted with the lower end of the protection sleeve, the outer cylinder is provided with a pressure transmission hole, and the lower section of the sensor short section is sleeved with a sealing ring that can seal the pressure transmission hole, the sensor short A bypass sub is connected to the lower end of the lower section of the section, a signal conversion sub is connected to the lower end of the outer tube, the instrument outer tube is butted to the lower end of the signal conversion sub, and a conductive slip ring is arranged between the signal conversion sub and the outer tube of the instrument. A probe tube outer tube is arranged inside the tube, a probe tube upper sealing plug is arranged at the upper end of the probe tube outer tube, a probe tube lower sealing plug is arranged at the lower end of the probe tube outer tube, and a sealing plug head pressing ring is arranged at the lower end of the probe tube lower sealing plug; signal; The conversion sub-section is equipped with an inner tube signal conversion sealing joint, a lower rotating outer joint outer tube is connected between the inner tube signal conversion sealing joint and the bypass short joint, and the lower rotary outer joint outer tube is equipped with an elastic telescopic tube, Compressed spring, pin female head, elastic retaining ring for hole, pin male head, pin pressure cap and pin pressure ring; 所述外筒利用丝扣与信号转换短节连接并设置有密封圈,传感器短节上段上端通过丝扣与本体相连并设置有密封圈,下端通过丝扣与传感器短节下段相连并设置有密封圈,传感器短节下段与旁通短节连接有连接套,连接套上设置有密封圈,内筒信号转换密封接头固定有密封堵头压环,内筒信号转换密封接头上设置有密封圈,下旋转外接头外筒通过丝扣连接旁通短节和转换密封接头,并在连接处设置有密封圈;The outer cylinder is connected with the signal conversion short section by a screw thread and is provided with a sealing ring, the upper end of the upper section of the sensor short section is connected with the body through a screw buckle and a sealing ring is provided, and the lower end is connected with the lower section of the sensor short section by a screw buckle and is provided with a sealing ring. The lower section of the sensor sub-section is connected with the bypass sub-section with a connecting sleeve, the connecting sleeve is provided with a sealing ring, the inner cylinder signal conversion sealing joint is fixed with a sealing plug pressure ring, and the inner cylinder signal conversion sealing joint is provided with a sealing ring. The outer cylinder of the lower rotary outer joint is connected with the bypass short joint and the conversion sealing joint through a screw thread, and a sealing ring is arranged at the connection; 所述本体、信号转换短节、仪器外筒上均通过内六角圆柱头螺钉连接有测试口顶盖,所述测试口顶盖上套装有密封圈;The main body, the signal conversion short section and the outer cylinder of the instrument are all connected with a test port top cover through a hexagonal socket head screw, and a sealing ring is sleeved on the test port top cover; 传感器短节上段横向设置有防转螺钉孔,在防转螺钉孔中安装有内六角圆柱头螺钉。An anti-rotation screw hole is laterally arranged on the upper section of the short section of the sensor, and an inner hexagon socket head screw is installed in the anti-rotation screw hole. 2.根据权利要求1所述井下参数测量监控系统,其特征在于:所述保护套筒与本体之间设置有张力传感器,保护套筒与本体之间设置有密封圈,主体上端设置有端面孔螺堵。2. The downhole parameter measurement and monitoring system according to claim 1, wherein a tension sensor is arranged between the protection sleeve and the main body, a sealing ring is arranged between the protection sleeve and the main body, and an end hole is arranged on the upper end of the main body screw plug.
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Publication number Priority date Publication date Assignee Title
DE10059860C1 (en) * 2000-11-30 2002-06-06 Becfield Drilling Services Gmb Coupling, for borehole measurement unit, in a drilling pipe, has a lower coupling pin which sits in an opening at a chamber together with a damper mechanism to prevent high frequency oscillations
CN202578665U (en) * 2011-12-29 2012-12-05 中天启明石油技术有限公司 Distance-adjustable underground equipment connector suitable for drill collar connection
CN202866785U (en) * 2012-11-16 2013-04-10 中国石油集团渤海钻探工程有限公司 Circuit switching and mud flow guiding integrated device of measuring instrument while drilling
CN105804719A (en) * 2016-04-07 2016-07-27 中国海洋石油总公司 Internal wiring structure of pup joint of well logging instrument during drilling

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