An intelligent device for processing gas invasion while drilling

Abstract

The invention discloses an intelligent processing device for gas invasion while drilling in a well, comprising a drill string, wherein a sealed gas collection chamber, a gas detection chamber and a gas processing chamber are connected in sequence from bottom to top near a drill bit in the drill string through a gas transmission pipe; the gas detection chamber generates a large pressure difference by means of water-driven gas, and realizes the collection of gas invasion gas by combining a hydrophobic and breathable gas molecule semipermeable membrane, and utilizes infrared light and ultraviolet light to detect hydrocarbon gas and hydrogen sulfide gas in the gas invasion gas respectively, and increases the optical path of gas detection by arranging an optical lens assembly, thereby effectively improving the detection accuracy; finally, the hydrogen sulfide gas is absorbed by an alkaline solution in the gas processing chamber, and then the hydrocarbon gas is adsorbed and processed by an active solid, and the adsorbed active solid is sealed and coated and circulated to the ground along with the drilling fluid, and a desorption experiment can be performed on the saturated active solid, thereby accurately analyzing the composition and content of the hydrocarbon gas in the well.

Description

Technical Field

[0001] The invention belongs to the technical field of drilling, and in particular relates to an intelligent processing device for gas invasion while drilling. Background Art

[0002] Gas invasion refers to the invasion of gas from the formation into the wellbore during oilfield drilling, which reduces the density of the drilling fluid and makes it easy to cause accidents such as overflow and blowout. In addition, the gas intrusion is mostly composed of hydrogen sulfide gas and hydrocarbon gas. Hydrogen sulfide gas is extremely harmful to the human body. Dealing with underground gas invasion as soon as possible can effectively avoid accidents.

[0003] At present, it is not possible to effectively collect the gas of gas invasion and detect the gas of gas invasion after gas invasion occurs, and there is also a lack of effective treatment of gas invasion gas. Therefore, we urgently need a systematic device that can collect gas invasion gas, detect and treat gas invasion gas after gas invasion occurs. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide an intelligent downhole gas intrusion processing device for drilling, which can collect, detect and process the gas intrusion when gas intrusion occurs, thereby greatly improving the accuracy and real-time performance of gas content detection.

[0005] The technical solution adopted by the present invention is: an intelligent downhole gas intrusion treatment device while drilling, comprising a drill string, wherein a sealed gas collection chamber, a gas detection chamber and a gas treatment chamber are connected in sequence from bottom to top near the drill bit in the drill string through a gas transmission pipe;

[0006] One side wall of the gas collection chamber overlaps with the side wall of the drill string, and an air inlet window is opened on the overlapping side wall, and the air inlet window is covered with a gas-permeable and hydrophobic gas molecule semi-permeable membrane, a liquid level sensor and a collection chamber air pressure sensor are installed in the upper part of the gas collection chamber, and a water storage chamber is provided below the gas collection chamber in the drill string, and the water storage chamber and the gas collection chamber are connected through a water pump and a liquid valve;

[0007] A gas one-way valve is installed on the gas delivery pipe between the top of the gas collection chamber and the bottom of the gas detection chamber, an optical lens assembly is installed in the middle of the gas detection chamber, a light source emitter is provided below the optical lens assembly, and a light source detector is provided above the optical lens assembly. The light emitted by the light source emitter is received by the light source detector after passing through the optical lens assembly. The light source emitter and the light source detector are also connected to a light source converter respectively. A detection chamber temperature compensator is also installed at the lower part of one side of the gas detection chamber, and a detection chamber temperature sensor and a detection chamber air pressure sensor are installed at the upper part;

[0008] An air pump and a gas one-way valve are installed on the gas pipeline between the top of the gas detection chamber and the bottom of the gas processing chamber, and at least a hydrogen sulfide processing chamber and a hydrocarbon gas processing chamber are arranged in sequence from the bottom in the gas processing chamber;

[0009] An air inlet pipe is provided on one side of the hydrogen sulfide treatment chamber, the air inlet end of the air inlet pipe is connected to the end of the gas delivery pipe, the air outlet end of the air inlet pipe is connected to a U-shaped pipe, the inside of the U-shaped pipe is filled with an alkaline solution, the end of the U-shaped pipe away from the air inlet pipe is connected to a drying pipe, the drying pipe is filled with a gas desiccant, the end of the drying pipe away from the U-shaped pipe is connected to a connecting air pipe, the end of the connecting air pipe away from the drying pipe extends out of the hydrogen sulfide treatment chamber and into the hydrocarbon gas treatment chamber;

[0010] The hydrocarbon gas processing chamber is provided with a processing channel and a discharge chamber, the gas outlet end of the connecting gas pipe penetrates into the processing channel and is located at the bottom of one end of the processing channel, a conveyor belt is installed on the bottom surface of the processing channel, an adsorption temperature compensator is provided under the conveyor belt, an adsorption temperature sensor and an adsorption air pressure sensor are installed on the top of the processing channel, an adsorption solid storage chamber is also provided on the top surface of the processing channel, a storage switch door communicating with the inside of the processing channel is opened at the bottom of the adsorption solid storage chamber, one end of the processing channel close to the end of the conveyor belt is connected to the discharge chamber, and a processing switch door is installed at the connection, and the discharge chamber is provided with a storage chamber. The upper part is a storage tank for storing thermoplastic rubber, and a storage temperature sensor and a storage temperature compensator are provided at the bottom of the storage tank. A liquid outlet pipe with a liquid outlet valve is provided at the bottom of one side of the storage tank, and a rotating plate is provided below the liquid outlet pipe. One end of the rotating plate is located below the processing switch door and is gap-matched with the inner wall of the discharge chamber. The other end of the rotating plate is fixed in the discharge chamber through a rotating shaft, and one end of the rotating shaft is connected to a rotating motor. A guide plate is installed in the discharge chamber below the rotating plate, and the side wall of the discharge chamber at the end of the guide plate coincides with the side wall of the drill string, and a discharge switch door is provided on the side wall of the discharge chamber at the end of the guide plate.

[0011] Preferably, it also includes a processor, which is respectively connected to a water pump, a liquid level sensor, a collection chamber air pressure sensor, a liquid valve, a gas one-way valve, a light source emitter, a light source detector, a light source converter, a detection chamber temperature sensor, a detection chamber air pressure sensor, a detection chamber temperature compensator, a vacuum pump, a conveyor belt, an adsorption temperature sensor, an adsorption air pressure sensor, an adsorption temperature compensator, a storage switch door, a processing switch door, a storage temperature sensor, a storage temperature compensator, a liquid outlet valve, a rotating motor and a discharge switch door.

[0012] Preferably, the processor is further provided with a remote communication module, and the remote communication module is connected to a host computer in a ground machine room.

[0013] Preferably, the gas molecule semipermeable membrane is a polydimethylsiloxane semipermeable membrane.

[0014] Preferably, the light source emitter emits infrared light with a wavelength of 3.31 μm to detect hydrocarbon gas, and the detection temperature is controlled at 25°C-30°C.

[0015] Preferably, the light source emitter emits ultraviolet light with a wavelength of 275 nm to detect hydrogen sulfide gas, and the detection temperature is controlled at 28°C-30°C.

[0016] Preferably, the alkaline solution is sodium hydroxide solution, sodium carbonate solution or aqueous ammonia, and the gas desiccant is solid sodium hydroxide, slaked lime or soda lime.

[0017] The beneficial effects of the present invention are:

[0018] (1) A gas molecule semipermeable membrane with good hydrophobicity, thermal stability and high air permeability is used, and the water storage chamber is used to drive out the gas to reduce the air pressure in the gas collection chamber, thereby increasing the pressure difference between the inside and outside of the gas molecule semipermeable membrane, effectively improving the adsorption and collection of the gas diffusion of the gas invasion. At the same time, the water storage chamber is used to drive out the gas and the flow efficiency of the gas invasion is also improved;

[0019] (2) The light source converter is used to convert the light emitted and received by the light source transmitter and the light source detector, thereby realizing the diversified detection of hydrocarbon gas and hydrogen sulfide gas; the optical path of the light is increased by the optical lens assembly, which increases the degree of absorption of the light by the detection gas, thereby improving the detection precision and accuracy; and a detection chamber temperature compensator is set to provide a suitable temperature for the gas to absorb light, thereby improving the detection efficiency;

[0020] (3) Adopting chemical absorption method to absorb hydrogen sulfide gas in gas intrusion gas with alkaline solution, and after treating hydrogen sulfide gas, using active solid to adsorb hydrocarbon gas, after hydrocarbon gas adsorption is completed, using thermoplastic rubber to seal and coat the adsorbed active solid, and then discharge it into drilling fluid, and return to the ground with the drilling fluid circulation, so that desorption experiment can be carried out on the ground for saturated active solid, and the composition and content of hydrocarbon gas in the well can be accurately analyzed;

[0021] (4) By connecting the processor with various sensors and control terminals, intelligent processing of underground gas invasion can be achieved, and interaction with the ground host can be achieved through the communication module.

[0022] The present invention integrates a collection system, a detection system and a processing system for underground gas invasion. When underground gas invasion occurs, the gas invasion gas can be effectively collected, and the detection and processing of hydrogen sulfide gas and hydrocarbon gas in the gas invasion gas can be realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 It is a schematic diagram of the structure in the gas detection chamber of the present invention;

[0025] Figure 3 It is a schematic diagram of the structure of the hydrocarbon gas processing chamber in the gas processing chamber of the present invention;

[0026] Figure 4 It is a schematic diagram of the structure of the hydrogen sulfide gas processing chamber in the gas processing chamber of the present invention;

[0027] Figure 5 It is a system block diagram of the present invention.

[0028] In the figure: 1, drill string; 2, gas collection chamber; 3, gas detection chamber; 4, gas processing chamber; 5, water storage chamber; 6, water pump; 7, air pump; 21, gas molecule semipermeable membrane; 22, liquid level sensor; 23, collection chamber air pressure sensor; 31, optical lens assembly; 32, light source emitter; 33, light source detector; 34, light source converter; 35, detection chamber temperature compensator; 36, detection chamber temperature sensor; 37, detection chamber air pressure sensor; 41, hydrogen sulfide processing chamber; 42, hydrocarbon gas processing chamber; 43, connecting air pipe; 4101, air inlet pipe; 4102, U-shaped pipe; 4103, alkaline solution; 4104, drying tube; 4105, gas desiccant; 4201, processing channel; 4202, discharge chamber; 4203, conveyor belt; 4204, adsorption temperature compensator; 4205, adsorption temperature sensor; 4206, adsorption air pressure sensor; 4207, adsorption solid storage chamber; 4208, storage switch door; 4209, processing switch door; 4210, storage tank; 4211, storage temperature sensor; 4212, storage temperature compensator; 4213, liquid outlet pipe; 4214, rotating plate; 4215, rotating shaft; 4216, guide plate. DETAILED DESCRIPTION

[0029] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] Example

[0031] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the downhole gas intrusion intelligent processing device provided by this embodiment includes a drill string 1, and the drill string 1 is connected to a closed gas collection chamber 2, a gas detection chamber 3 and a gas processing chamber 4 in sequence from bottom to top near the drill bit through a gas pipeline;

[0032] One side wall of the gas collecting chamber 2 overlaps with the side wall of the drill string 1, and an air inlet window is opened on the overlapping side wall, and several support rods can be arranged vertically and horizontally at the air inlet window, and the gas molecule semipermeable membrane 21 is supported and fixed by the several support rods, so that the gas molecule semipermeable membrane 21 completely seals and covers the air inlet window, and at the same time, the gas molecule semipermeable membrane 21 uses a polydimethylsiloxane semipermeable membrane with good hydrophobicity, thermal stability and high air permeability. A liquid level sensor 22 and a collection chamber air pressure sensor 23 are installed in the upper part of the gas collecting chamber 2, and a water storage chamber 5 is provided below the gas collecting chamber 2 in the drill string 1, and the water storage chamber 5 and the gas collecting chamber 2 are connected through a water pump 6 and a liquid valve; in this embodiment, a water pump 6 is connected between the top of the water storage chamber 5 and the bottom of the gas collecting chamber 2, the water inlet of the water pump 6 is connected to the water storage chamber 5, and the water outlet is connected to the gas collecting chamber 2, and a liquid valve is installed on one side of the water pump 6, and the two ends of the liquid valve are respectively connected to the top of the water storage chamber 5 and the bottom of the gas collecting chamber 2;

[0033] Before going down the well, fill the water storage chamber 5 with water, open the gas one-way valve between the gas collecting chamber 2 and the gas detection chamber 3, start the water pump 6 to pump the water in the water storage chamber 5 into the gas collecting chamber 2, and stop injecting water after the water level reaches the liquid level sensor 22. Injecting water into the gas collecting chamber 2 is to discharge the air in the gas collecting chamber 2; then the drill string 1 is lowered into the well, the gas one-way valve between the gas collecting chamber 2 and the gas detection chamber 3 is closed, and drilling fluid is injected into the well. At this time, the gas collecting chamber 2 is submerged in the drilling fluid, the outside of the gas molecule semipermeable membrane 21 is drilling fluid, and the inside is water. Open the liquid valve, and the water flows back to the water storage chamber 5 under the action of gravity. At this time, the pressure inside the gas molecule semipermeable membrane 21, that is, the pressure in the gas collecting chamber 2 is reduced, which increases the gas separation. The pressure difference between the outer side and the inner side of the semipermeable membrane 21. After gas invasion occurs during drilling, the gas invades the drilling fluid. Due to the pressure difference on both sides of the gas molecule semipermeable membrane 21, the gas in the drilling fluid is adsorbed to the surface of the gas molecule semipermeable membrane 21, and diffuses into the inside of the gas molecule semipermeable membrane 21 under the action of the pressure difference, and then enters the gas collecting chamber 2. Since the pressure of the drilling fluid outside the gas molecule semipermeable membrane 21 is much greater than the pressure inside the gas collecting chamber 2 inside the gas molecule semipermeable membrane 21, even after a certain amount of gas is collected in the gas collecting chamber 2, the gas pressure in the gas collecting chamber 2 is still lower than the pressure outside the gas molecule semipermeable membrane 21. At this time, it will only slow down the rate at which the gas penetrates the gas molecule semipermeable membrane 21 and enters the gas collecting chamber 2.

[0034] A gas one-way valve is installed on the gas pipe between the top of the gas collecting chamber 2 and the bottom of the gas detection chamber 3. When the air pressure sensor 23 in the collecting chamber detects that the air pressure reaches a predetermined threshold, the gas one-way valve between the gas collecting chamber 2 and the gas detection chamber 3 is opened, and at the same time, the water pump 6 works to inject the water in the water storage chamber 5 into the gas collecting chamber 2 again. The pressure in the gas collecting chamber 2 is increased due to the injection of water, so that the gas collected in the gas detection chamber 3 quickly passes through the gas one-way valve and enters the gas detection chamber 3. It is particularly noted that the pressure increase after the gas collected in the gas collecting chamber 2 reaches the threshold The pressure increased by the upper water injection is also much smaller than the pressure caused by the drilling fluid outside the gas molecule semipermeable membrane 21. Therefore, after the gas one-way valve is opened, the collected gas will quickly enter the gas detection chamber 3 under the pressure of the water injection, that is, the gas is transported to the gas detection chamber 3 through the gas one-way valve by means of water injection to drive the gas, which makes up for the problem of low gas fluidity due to low gas concentration, resulting in untimely and inaccurate gas detection; the use of water injection to drive the gas is also a reasonable use of the good hydrophobicity of the polydimethylsiloxane gas molecule semipermeable membrane 21.

[0035] An optical lens assembly 31 is installed in the middle of the gas detection chamber 3, a light source emitter 32 is provided below the optical lens assembly 31, and a light source detector 33 is provided above the optical lens assembly 31; the optical lens assembly 31 in this embodiment is two lenses arranged opposite to each other, a light source emitter 32 is installed directly below one of the lenses, and a light source detector 33 is installed directly above the one of the lenses, and a light source converter 34 is connected to the light source emitter 32 and the light source detector 33, and the light emitted by the light source emitter 32 is repeatedly reflected by the two optical lenses and then received by the light source detector 33, and a detection chamber temperature compensator 35, a detection chamber temperature sensor 36 and a detection chamber air pressure sensor 37 are also installed in the gas detection chamber 3;

[0036] When the intrusion gas collected in the collection chamber is sent to the gas detection chamber 3, the gas one-way valve between the gas detection chamber 3 and the gas processing chamber 4 is closed; the main gas components in the intrusion gas are hydrogen sulfide gas and hydrocarbon gas. In order to improve the detection efficiency of hydrogen sulfide gas and hydrocarbon gas, the temperature in the gas detection chamber 3 is adjusted and controlled at 25°C-30°C through the detection chamber temperature compensator 35, and then the light source converter 34 is used to convert the emission light and the receiving light of the light source transmitter 32 and the light source detector 33 into infrared light with a wavelength of about 3.31μm. The hydrocarbon gas entering the gas detection chamber 3 absorbs the infrared light to the maximum extent at a suitable temperature of 25°C-30°C. Therefore, the optical lens assembly 31 set up effectively increases the optical path, that is, increases the degree of absorption of infrared light by hydrocarbon gas, and finally receives the infrared light emitted by the hydrocarbon gas through the light source detector 33. The infrared light absorbed by the body, that is, the absorption rate of the infrared light is detected, so as to judge the concentration of hydrocarbon gas; similarly, after the hydrocarbon gas detection is completed, the temperature in the gas detection chamber 3 is adjusted and controlled at 28°C-30°C by using the detection chamber temperature compensator 35, and then the emission light and the receiving light of the light source emitter 32 and the light source detector 33 are converted into ultraviolet light with a wavelength of about 275nm by using the light source converter 34, and the absorption rate of the ultraviolet light is detected by the light source detector 33, so as to judge the concentration of hydrogen sulfide gas; the detection chamber temperature compensator 35 provides a suitable absorption temperature for hydrogen sulfide gas and hydrocarbon gas, which effectively improves the detection efficiency of hydrogen sulfide gas and hydrocarbon gas, and the light source converter 34 is set, so that the gas detection chamber 3 can realize the detection of both hydrocarbon gas and hydrogen sulfide gas, thereby realizing the diversity of gas detection;

[0037] An air pump 7 and a gas one-way valve are installed on the gas delivery pipe between the top of the gas detection chamber 3 and the bottom of the gas processing chamber 4. As the gas is continuously fed into the gas detection chamber 3, the air pressure sensor in the detection chamber monitors the air pressure in the gas detection chamber 3 in real time. When the set threshold is reached, the air pump 7 and the gas one-way valve between the gas detection chamber 3 and the gas processing chamber 4 are opened to draw the gas in the gas detection chamber 3 into the gas processing chamber 4.

[0038] The gas treatment chamber 4 is provided with at least a hydrogen sulfide treatment chamber 41 and a hydrocarbon gas treatment chamber 42 in order from the bottom;

[0039] An air inlet pipe 4101 is provided on one side of the hydrogen sulfide treatment chamber 41, and the air inlet end of the air inlet pipe 4101 is connected to the end of the air delivery pipe on the top of the gas detection chamber 3, and the air outlet end of the air inlet pipe 4101 is connected to a U-shaped pipe 4102, and the interior of the U-shaped pipe 4102 is filled with an alkaline solution 4103, and the alkaline solution 4103 includes sodium hydroxide solution, sodium carbonate solution, ammonia water, etc., and the end of the U-shaped pipe 4102 away from the air inlet pipe 4101 is connected to a drying pipe 4104, and the drying pipe 4104 is filled with a gas desiccant 4105, and the gas dryer includes solid sodium hydroxide, slaked lime, soda lime, etc.; the hydrogen sulfide gas in the gas intrusion gas is absorbed and treated by chemical absorption method of the alkaline solution 4103, and the gas absorbed by the alkaline solution 4103 passes through the drying pipe 4104, and the excess water vapor in the gas is removed by the gas desiccant 4105 in the drying pipe 4104;

[0040] The end of the drying tube 4104 away from the U-shaped tube 4102 is connected to the connecting gas pipe 43, and the end of the connecting gas pipe 43 away from the drying tube 4104 extends out of the hydrogen sulfide processing chamber 41 and extends into the hydrocarbon gas processing chamber 42, that is, the gas after absorption enters the hydrocarbon gas processing chamber 42. Since the hydrogen sulfide gas in the gas is processed and absorbed, this part of the gas is mainly hydrocarbon gas;

[0041] The hydrocarbon gas processing chamber 42 is provided with a processing channel 4201 and an exhaust chamber 4202 connected to the end of the processing channel 4201. The outlet end of the connecting air pipe 43 penetrates into the processing channel 4201 and is located at the bottom of one end of the processing channel 4201. The processing channel 4201 is a closed cavity. A conveyor belt 4203 is laid on the bottom surface of the processing channel 4201. An adsorption temperature sensor 4205 and an adsorption pressure sensor 4206 are installed on the top of the processing channel 4201. An adsorption temperature compensator 4204 is provided below 4201, and an adsorption solid storage chamber 4207 is also provided on the top surface of the processing channel 4201. The adsorption solid storage chamber 4207 overlaps with the top wall of the processing channel 4201 and is provided with a storage switch door 4208. Active adsorption solids are stored in the adsorption solid storage chamber 4207. The active adsorption solids are palm-based activated carbon. The end of the processing channel 4201 away from the connecting air pipe 43 is connected to the discharge chamber 4202, and a processing switch door 4209 is installed at the connection. The upper part of the discharge chamber 4202 is a storage tank 4210 for storing thermoplastic rubber. The storage tank 4210 is filled with thermoplastic rubber. In this embodiment, the thermoplastic rubber includes tetrafluoroethylene rubber and polyvinyl chloride rubber. A storage temperature sensor 4211 and a storage temperature compensator 4212 are provided at the bottom of the storage tank 4210. A liquid outlet pipe 4213 with a liquid outlet valve is provided at the bottom of one side of the storage tank 4210. A rotating plate 4214 is provided below the liquid outlet pipe 4213. One end of the rotating plate 4214 is located at Under the processing switch door 4209 and in clearance with the inner wall of the discharge chamber 4202, the other end of the rotating plate 4214 is fixed in the discharge chamber 4202 through a rotating shaft 4215, one end of the rotating shaft 4215 is connected to a rotating motor, a guide plate 4216 is installed in the discharge chamber 4202 under the rotating plate 4214, the side wall of the discharge chamber 4202 at the end of the guide plate 4216 coincides with the side wall of the drill string 1, and a discharge switch door is provided at the side wall of the discharge chamber 4202 at the end of the guide plate 4216;Connect the gas pipe 43 to send the gas into the processing channel 4201, open the storage switch door 4208, release the active adsorption solid, and the released active adsorption solid falls on the conveyor belt 4203. Control the adsorption temperature compensator 4204 to control the temperature in the processing channel 4201 at 20°C-40°C, which is conducive to the active adsorption solid to adsorb hydrocarbon gas. At the same time, the adsorption pressure sensor 4206 detects the pressure change in the processing channel 4201 in real time. When the pressure in the processing channel 4201 no longer decreases, it means that the active adsorption solid has been saturated with adsorption. The hydrocarbon gas in the processing channel 4201 is all adsorbed by the active adsorption solid. Open the processing switch door 4209, start the conveyor belt 4203, and send the saturated active adsorption solid to the rotating plate 4214 through the processing switch door 4209. The initial state of the rotating plate 4214 is horizontal. The active adsorption solid falls on the rotating plate. 4214 surface, at this time, the storage temperature compensator 4212 is opened, and the temperature rise in the storage tank 4210 is controlled to be 90℃-120℃, the thermoplastic rubber in the storage tank 4210 is melted, and the liquid outlet valve on the liquid outlet pipe 4213 at the bottom of the storage tank 4210 is opened, and the melted thermoplastic rubber slowly drips to the surface of the active adsorption solid below through the liquid outlet pipe 4213, and gradually cools on the surface of the active adsorption solid, thereby forming a dense rubber shell. After the cooling is completed, the rotating motor drives the rotating plate 4214 to turn downward, and the active adsorption solid wrapped in the dense rubber shell falls downward and is sent to the discharge switch door through the guide plate 4216. The discharge switch door is opened to discharge the active adsorption solid wrapped in the dense rubber shell from the drill string 1, into the drilling fluid, and circulates back to the ground with the drilling fluid; on the ground, the desorption experiment can be carried out to analyze the components and content of hydrocarbon gas downhole. ;

[0042] like Figure 5 As shown, this embodiment also includes a processor, which is equipped with a power module. The processor is respectively connected to the liquid level sensor 22, the collection chamber hydraulic sensor, the detection chamber temperature sensor 36, the detection chamber air pressure sensor 37, the adsorption temperature sensor 4205, the adsorption air pressure sensor 4206, the storage temperature sensor 4211, the light source emitter 32, the light source detector 33 and the light source converter 34. At the same time, the processor also controls the water pump 6, the liquid valve, the gas one-way valve, the detection chamber temperature compensator 35, the vacuum pump 7, the conveyor belt 4203, the adsorption temperature compensator 4204, the storage switch door 4208, the processing switch door 4209, the storage temperature compensator 4212, the liquid outlet valve, the rotating motor and the discharge switch door through the relay; the processor is also provided with a remote communication module, which is connected to the main machine in the ground machine room.

[0043] The above description is only a preferred implementation manner of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and inventive concept provided by the present invention should be included in the protection scope of the present invention.

Claims

1. An intelligent downhole gas intrusion treatment device while drilling, comprising a drill string (1), characterized in that: The drill string (1) is connected to a sealed gas collection chamber (2), a gas detection chamber (3) and a gas processing chamber (4) in sequence from bottom to top near the drill bit through a gas transmission pipe; One side wall of the gas collection chamber (2) overlaps with the side wall of the drill string (1), and an air inlet window is provided on the overlapping side wall, and the air inlet window is covered with a gas-permeable and hydrophobic gas molecule semi-permeable membrane (21); a liquid level sensor (22) and a collection chamber air pressure sensor (23) are installed in the upper part of the gas collection chamber (2); a water storage chamber (5) is provided below the gas collection chamber (2) in the drill string (1); the water storage chamber (5) and the gas collection chamber (2) are connected via a water pump (6) and a liquid valve; A gas one-way valve is installed on the gas delivery pipe between the top of the gas collection chamber (2) and the bottom of the gas detection chamber (3); an optical lens assembly (31) is installed in the middle of the gas detection chamber (3); a light source emitter (32) is provided below the optical lens assembly (31); a light source detector (33) is provided above the optical lens assembly (31); light emitted by the light source emitter (32) is received by the light source detector (33) after passing through the optical lens assembly (31); the light source emitter (32) and the light source detector (33) are respectively connected to a light source converter (34); a detection chamber temperature compensator (35) is installed at the lower part of one side of the gas detection chamber (3); and a detection chamber temperature sensor (36) and a detection chamber air pressure sensor (37) are installed at the upper part; An air pump (7) and a gas one-way valve are installed on the gas pipeline between the top of the gas detection chamber (3) and the bottom of the gas processing chamber (4), and at least a hydrogen sulfide processing chamber (41) and a hydrocarbon gas processing chamber (42) are arranged in sequence from the bottom in the gas processing chamber (4); An air inlet pipe (4101) is provided on one side of the hydrogen sulfide processing chamber (41), the air inlet end of the air inlet pipe (4101) is connected to the end of the air delivery pipe, the air outlet end of the air inlet pipe (4101) is connected to a U-shaped pipe (4102), the interior of the U-shaped pipe (4102) is filled with an alkaline solution (4103), the end of the U-shaped pipe (4102) away from the air inlet pipe (4101) is connected to a drying pipe (4104), the interior of the drying pipe (4104) is filled with a gas desiccant (4105), the end of the drying pipe (4104) away from the U-shaped pipe (4102) is connected to a connecting air pipe (43), the end of the connecting air pipe (43) away from the drying pipe (4104) extends out of the hydrogen sulfide processing chamber (41) and extends into the hydrocarbon gas processing chamber (42); The hydrocarbon gas processing chamber (42) is provided with a processing channel (4201) and a discharge chamber (4202). The gas outlet end of the connecting gas pipe (43) penetrates into the processing channel (4201) and is located at the bottom of one end of the processing channel (4201). A conveyor belt (4203) is installed on the bottom surface of the processing channel (4201). An adsorption temperature compensator (4204) is installed below the conveyor belt (4203). An adsorption temperature sensor (4204) is installed at the top of the processing channel (4201). 5) and an adsorption air pressure sensor (4206), an adsorption solid storage chamber (4207) is also provided on the top surface of the processing channel (4201), a storage switch door (4208) communicating with the inside of the processing channel (4201) is opened at the bottom of the adsorption solid storage chamber (4207), and the processing channel (4201) is connected to the discharge chamber (4202) at one end close to the end of the conveyor belt (4203), and a processing switch door (4209) is installed at the connection, and the upper surface of the discharge chamber (4202) is connected to the upper surface of the discharge chamber (4202). The storage tank (4210) is used to store thermoplastic rubber. A storage temperature sensor (4211) and a storage temperature compensator (4212) are provided at the bottom of the storage tank (4210). A liquid outlet pipe (4213) with a liquid outlet valve is provided at the bottom of one side of the storage tank (4210). A rotating plate (4214) is provided below the liquid outlet pipe (4213). One end of the rotating plate (4214) is located below the processing switch door (4209) and is in clearance with the inner wall of the discharge chamber (4202). The other end of the rotating plate (4214) is fixed in the discharge chamber (4202) via a rotating shaft (4215), one end of the rotating shaft (4215) is connected to a rotating motor, a guide plate (4216) is installed in the discharge chamber (4202) below the rotating plate (4214), the side wall of the discharge chamber (4202) at the end of the guide plate (4216) coincides with the side wall of the drill string (1), and a discharge switch door is provided on the side wall of the discharge chamber (4202) at the end of the guide plate (4216).

2. According to claim 1, a downhole gas intrusion intelligent processing device is characterized by: The device also includes a processor, which is respectively connected to a water pump (6), a liquid level sensor (22), a collection chamber air pressure sensor (23), a liquid valve, a gas one-way valve, a light source emitter (32), a light source detector (33), a light source converter (34), a detection chamber temperature sensor (36), a detection chamber air pressure sensor (37), a detection chamber temperature compensator (35), a vacuum pump (7), a conveyor belt (4203), an adsorption temperature sensor (4205), an adsorption air pressure sensor (4206), an adsorption temperature compensator (4204), a storage switch door (4208), a processing switch door (4209), a storage temperature sensor (4211), a storage temperature compensator (4212), a liquid outlet valve, a rotating motor and a discharge switch door.

3. The intelligent downhole gas intrusion treatment device according to claim 2, characterized in that: The processor is also provided with a remote communication module, and the remote communication module is connected to the mainframe in the ground machine room.

4. The intelligent downhole gas intrusion treatment device according to claim 1, characterized in that: The adsorption solid storage chamber (4207) stores active adsorption solids, and the active adsorption solids are palm-based activated carbon.

5. The intelligent downhole gas intrusion treatment device according to claim 4 is characterized by: The gas molecule semipermeable membrane (21) is a polydimethylsiloxane semipermeable membrane.

6. The intelligent downhole gas intrusion treatment device according to claim 5, characterized in that: The light source emitter (32) emits infrared light with a wavelength of 3.31 μm to detect hydrocarbon gas, and the detection temperature is controlled at 25° C.-30° C.

7. The intelligent downhole gas intrusion treatment device according to claim 5, characterized in that: The light source emitter (32) emits ultraviolet light with a wavelength of 275 nm to detect hydrogen sulfide gas, and the detection temperature is controlled at 28° C.-30° C.

8. A downhole gas intrusion intelligent processing device while drilling according to claim 1, 2, 3, 4, 5, 6 or 7, characterized in that: The alkaline solution (4103) is sodium hydroxide solution, sodium carbonate solution or ammonia water, and the gas desiccant (4105) is solid sodium hydroxide, slaked lime or soda lime.

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