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CN-121993164-A - Gas storage injection and production well wellhead lifting real-time monitoring and early warning device and adjusting method

CN121993164ACN 121993164 ACN121993164 ACN 121993164ACN-121993164-A

Abstract

The invention relates to the technical field of monitoring of gas storage injection and production well heads, in particular to a device and a method for monitoring and early warning lifting of a gas storage injection and production well head in real time. The technical scheme is that the device comprises a well cementation cement ring, a sleeve, an indication grating, a scale grating, a warning lamp, a device box, a terminal controller, a display screen, an annular test stand, a top cover and a support plate, wherein when a cementing surface is subjected to relative displacement, grid overlapping stripes can be received by a photoelectric module and converted into electric signals, the electric signals are processed by a processing module and then can be displayed on the display screen, the monitored lifting displacement is subjected to risk level matching with a threshold value by a data processing module, the risk warning is given by the display screen in real time, the warning lamp is subjected to flashing warning, and the adjustment suggestion is given by the data processing module according to the wellhead lifting and gas production relation obtained through finite element numerical simulation.

Inventors

  • WANG JINZHI
  • LI LIFENG
  • LUO JINHENG
  • ZHU LIXIA
  • WU GANG
  • Xu Kangkai

Assignees

  • 中国石油天然气集团有限公司
  • 中国石油集团工程材料研究院有限公司

Dates

Publication Date
20260508
Application Date
20241104

Claims (9)

  1. 1. The gas storage injection and production well wellhead lifting real-time monitoring and early warning device comprises a well cementation cement ring (1) and is characterized by further comprising a sleeve (2), an indication grating (3), a scale grating (4), a warning lamp (5), a device box (6), a terminal controller (7), a display screen (8), an annular test table (16), a top cover (9), a support plate (10), an outer fixed ring (21), a balance ring (22) and an inner ring (23), wherein a sleeve (2) is fixedly glued on the inner side of the well cementation cement ring (1), a well wellhead is arranged in the center of the well cementation cement ring (1), the indication grating (3) is arranged on the top of the right side of the sleeve (2), the scale grating (4) is arranged on the top of the right side of the inside of the well cementation cement ring (1), the signal receiving device box (6) is arranged on the outside the well wellhead, the warning lamp (5) is fixedly arranged on the periphery of the top of the well cementation cement ring (1), the outer fixed ring (21) is used for reinforcing the balance lifting, the inner side of the balance ring (22) corresponding to the sleeve (2) is arranged on the inner side of the well cementation cement ring, and the inner ring (22) is used for monitoring the lifting situation of the floating lifting.
  2. 2. The gas storage injection well wellhead lifting real-time monitoring and early warning device according to claim 1 is characterized in that four groups of balancing weights (2101) are annularly arranged at the bottom periphery of an outer fixed ring (21), six groups of extending frames (2107) corresponding to balancing rings (22) are annularly arranged at the inner side of the outer fixed ring (21), pressing columns (2111) in contact with the balancing rings (22) are arranged at the end parts of the extending frames (2107), signal lamps (2112) are arranged at the tops of the pressing columns (2111), fixing frames (2102) are symmetrically arranged at the outer ends of the balancing weights (2101), inserting rods (2104) are vertically arranged at one ends, far away from the balancing weights (2101), of the fixing frames (2102), adjusting bolts (2103) are arranged between the inserting rods (2104) and the fixing frames (2102), each outer fixed ring (21) is composed of two groups of semi-rings, butt joint plates (2105) are arranged at the butt joint positions of the two groups of semi-rings, and mounting holes (2106) are formed in the center of each butt plate (2105).
  3. 3. The gas storage injection and production well wellhead lifting real-time monitoring and early warning device according to claim 2 is characterized in that a contact switch is arranged between a touch column (2111) and a signal lamp (2112), a first antenna module (2108) electrically connected with the signal lamp (2112) is arranged between an extension frame (2107) and an outer fixed ring (21), a balance plate (2109) is arranged in the middle of the extension frame (2107), an elastic sleeve (2110) is arranged at the top of the balance plate (2109), and an identification coating is arranged on the periphery of the elastic sleeve (2110).
  4. 4. The gas storage injection and production well wellhead lifting real-time monitoring and early warning device according to claim 1 is characterized in that six groups of sleeve rods (2301) are annularly arranged at the top of an inner ring (23), a plurality of groups of sleeves (2302) are linearly arranged on the sleeve rods (2301), a fixed rod (2303) is arranged on the outer side of the top of the sleeve rods (2301), and a monitoring box (2306) is annularly arranged at the bottom of the inner ring (23).
  5. 5. The gas storage injection and production well wellhead lifting real-time monitoring and early warning device according to claim 4, wherein a concentration sensor (2307) and a temperature sensor (2308) are arranged at the outer end of a monitoring box (2306), a ball sleeve (2304) is arranged at the outer end of an inner ring (23) in a circumferential direction, a universal ball (2305) is arranged in the ball sleeve (2304), a annunciator is arranged in the universal ball (2305), a second antenna module (2309) electrically connected with the annunciator, the concentration sensor (2307) and the temperature sensor (2308) is arranged at the top of a loop bar (2301), and a high-temperature-resistant coating (2310) is coated on the outer wall of the loop bar (2301).
  6. 6. The gas storage injection and production well wellhead lifting real-time monitoring and early warning device is characterized in that a terminal controller (7) is arranged at the center of the top end of a device box (6), a display screen (8) is fixedly arranged at the top end of the terminal controller (7), a control circuit board (11) is arranged in the terminal controller (7), a display module (12), a processing module (13), a photoelectric module (14) and an alarm module (15) are electrically arranged on the control circuit board (11), the inner side of an indication grating (3) and the outer surface of a sleeve (2) are fixedly glued, the outer side of the scale grating (4) is fixedly glued with a cement ring through cementing operation, the indication grating (3), the scale grating (4) and the photoelectric module (14) are electrically connected, the indication grating (3) and the display screen (8) are electrically connected, the indication grating (3) and the scale grating (4) are oppositely arranged, the indication grating (3) and the scale grating (4) form a grating pile pattern for monitoring the cementing state between the cement ring (1) and the sleeve (2) in an interactive mode, and the alarm module (5) is electrically connected.
  7. 7. The gas storage injection and production well wellhead lifting real-time monitoring and early warning device is characterized in that a simulated cement ring (17) is arranged at the center of an annular test bench (16), a stepped groove for placing the simulated cement ring (17) is formed in the center of the annular test bench (16), an outer pipe (20) is sleeved on the periphery of the simulated cement ring (17), an inner pipe (19) is arranged at the center of the simulated cement ring (17), and a pushing force (18) for test pushing is arranged at one end of the inner pipe (19).
  8. 8. The gas storage injection and production well wellhead lifting real-time monitoring and early warning device according to claim 1 is characterized in that a support plate (10) for symmetrically protecting a display screen (8) is arranged at the top of a device box (6), and a top cover (9) for increasing protection is arranged at the top of the support plate (10).
  9. 9. The device for monitoring and early warning the lifting of the wellhead of the gas storage injection production well in real time comprises the following steps of: S1, when a gas storage injection and production well wellhead is lifted and monitored, after an indication grating (3) and a scale grating (4) are oppositely arranged on a sleeve (2) and a well cementation cement sheath (1), grating overlapping stripes can be formed between the indication grating (3) and the scale grating (4), and real-time monitoring is carried out on a cementing surface between the well cementation cement sheath (1) and the sleeve (2); S2, when the cementing surface between the cementing cement sheath (1) and the sleeve (2) is relatively displaced, the indication grating (3) and the scale grating (4) are relatively displaced at the same time and can generate overlapping bars, after displacement change is monitored, the overlapping bars can be received by the photoelectric module (14) and converted into electric signals, then the electric signals are processed by the processing module (13), the display module (12) can be used for displaying the lifting displacement real-time monitoring value on the display screen (8), meanwhile, a threshold value can be set in the terminal controller (7), if the monitored lifting displacement exceeds the threshold value, the set display screen (8) can give out risk warning in real time, and meanwhile, the alarm module (15) can be used for controlling the warning lamp (5) to perform flashing warning, timely notifying monitoring personnel and taking adjustment measures for processing; S3, sleeving two groups of semi-rings on the periphery of a well cementation cement sheath (1), positioning and combining by using bolts to penetrate through mounting holes (2106) on an abutting plate, placing a balance ring (22) at the edge of the inner side of a sleeve (2) correspondingly, pressing a balance plate (2109) on the top of the sleeve (2) correspondingly, enabling a plug rod (2104) of the balance plate to penetrate into the surrounding underground by using an adjusting bolt (2103), and completing positioning and mounting, wherein an inner ring (23) stretches into the downward position inside the sleeve (2); s4, when the cementing surface between the well cementing ring (1) and the sleeve (2) is relatively displaced, the sleeve (2) is lifted to enable the balance plate (2109) to be pushed out of the elastic sleeve (2110) beyond the identification line, the contact column (2111) is used for transmitting signals to the terminal controller (7) by utilizing the first antenna module (2108), the monitoring box (2306) is used for monitoring the internal temperature and the internal concentration through the concentration sensor (2307) and the temperature sensor (2308), the universal rolling ball (2305) rolls along when the sleeve (2) is displaced, and the electrical transmission signals are synchronously transmitted to enter the terminal controller (7) through the second antenna module (2309).

Description

Gas storage injection and production well wellhead lifting real-time monitoring and early warning device and adjusting method Technical Field The invention relates to the technical field of monitoring of gas storage injection and production well heads, in particular to a device and a method for monitoring and early warning lifting of a gas storage injection and production well head in real time. Background The gas storage injection and production well is an important component of an underground gas storage, in the service process, the thermal deformation of a shaft is caused by the temperature change of the shaft in the injection and production process, the axial thermal deformation of the shaft is further used for breaking through the cementing effect of the interface between a cement ring and a pipe column to lead to the lifting of a sleeve at the well head part and a well head device, the lifting of the well head forms a serious threat to the production life, the yield and the integrity of the well shaft of the gas storage injection and production well, and meanwhile, the deformation and the damage of the well head device directly connected with the pipe column can be possibly caused, so that the leakage of natural gas is caused, the gas storage has extremely high safety risk, the safety and stable operation of the gas storage are ensured, and the well head lifting risk is monitored by using a set of gas storage injection and production well head lifting monitoring device, and the relevant operation parameters can be regulated according to the monitoring data to realize the well head lifting control. However, the gas storage injection production well wellhead lifting monitoring device is generally arranged on a wellhead device, monitoring data are only given when lifting displacement is large, lifting early warning cannot be sent out before a sleeve-cement sheath cementing interface is damaged, risk warning is carried out on personnel before wellhead lifting occurs, relevant production parameter adjustment advice cannot be carried out according to a risk early warning level, the defects exist, real-time monitoring and early warning of the gas storage injection production well wellhead lifting and wellhead lifting pre-control are inconvenient, and the overall early warning effect is reduced. Therefore, the monitoring device is generally arranged on the wellhead device aiming at the wellhead lifting monitoring device of the gas storage injection and production well, monitoring data are only given when lifting displacement is large, lifting early warning cannot be sent out before a sleeve-cement sheath cementing interface is damaged, and risk warning can be carried out on personnel before the wellhead lifting occurs, and the device and the method for monitoring and early warning of the wellhead lifting of the gas storage injection and production well in real time can be designed so as to solve the problems set forth in the description. Disclosure of Invention In order to overcome the problems that an existing gas storage injection and production well wellhead lifting monitoring device is generally arranged on a wellhead device, monitoring data are only given when lifting displacement is large, lifting early warning cannot be sent out before a sleeve-cement sheath cementing interface is damaged, risk warning is carried out on personnel before wellhead lifting occurs, and the overall early warning effect is reduced. The technical scheme is that the gas storage injection and production well wellhead lifting real-time monitoring and early warning device comprises a well cementation cement ring, a sleeve, an indication grating, a scale grating, a warning lamp, a device box, a terminal controller, a display screen, an annular test stand, a top cover, a support plate, an outer solid ring, a balance ring and an inner ring, wherein the sleeve is fixedly glued on the inner side of the well cementation cement ring, a well wellhead is arranged at the center of the well cementation cement ring, the indication grating is arranged at the top of the right side of the sleeve, the scale grating is arranged at the top of the right side of the sleeve, a device box for receiving signals is arranged outside the well wellhead, the warning lamp is fixedly arranged on the periphery of the top of the well cementation cement ring at the edge of the well wellhead, the balance ring is fixedly arranged on the periphery of the top of the well cementation cement ring for reinforcing and hoisting, the balance ring corresponding to the top of the sleeve for lifting condition monitoring is arranged on the inner side of the sleeve, and the inner ring extending into the sleeve for monitoring the lifting condition. Preferably, through being provided with well cementation cement sheath, the sleeve pipe, the instruction grating, the scale grid, the warning light, the device case, the terminal control ware, the display screen, control circuit boar