CN213016251U - Automatic drilling fluid performance parameter adjusting system - Google Patents
Automatic drilling fluid performance parameter adjusting system Download PDFInfo
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- CN213016251U CN213016251U CN202020481951.6U CN202020481951U CN213016251U CN 213016251 U CN213016251 U CN 213016251U CN 202020481951 U CN202020481951 U CN 202020481951U CN 213016251 U CN213016251 U CN 213016251U
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Abstract
The utility model provides a drilling fluid performance parameter automatic regulating system, including solid control system, central control system, parameter on-line measuring system, aggravate system, treating agent charging system. The method comprises the steps of automatically measuring performance parameters of drilling fluid in a drilling fluid solid control system in real time in the drilling process and transmitting the performance parameters to a drilling fluid performance parameter central control system, respectively controlling the automatic starting and stopping of a vibrating screen, a degasser, a sand remover, a mud remover, a medium-speed centrifuge and a high-speed centrifuge in the drilling fluid solid control system according to feedback control signals output by the central control system by comparing and calculating the performance parameters with actually required drilling fluid target performance parameters or the performance parameters of the drilling fluid in different well sections in the drilling engineering design, realizing the mechanical automatic adjustment of the comprehensive performance of the drilling fluid, and simultaneously controlling a drilling fluid weighting system and a drilling fluid chemical treatment agent feeding system as feedback control signals so as to realize the automatic adjustment of the comprehensive performance parameters of the drilling fluid.
Description
Technical Field
The utility model belongs to the technical field of the oil engineering technique and equip and specifically relates to be applicable to a drilling fluid performance parameter automatic regulating system.
Background
The drilling fluid is 'blood' of drilling engineering, plays an indispensable important role in the drilling process, and mainly has the functions of cleaning the bottom of a well, carrying rock debris, cooling and lubricating a drill bit and a drill string, balancing the rock lateral pressure of a well wall, preventing pollution to an oil-gas layer and collapse of the well wall, balancing (controlling) the formation pressure, suspending the rock debris and a weighting agent, effectively transmitting hydraulic power, bearing partial gravity of a drill pipe and a casing pipe, hydraulically breaking the rock and the like. The properties of the drilling fluid not only affect the drilling process and the drilling quality, but also are related to the production performance of the oil well and environmental problems. The good drilling fluid performance is an important guarantee for ensuring the safety of a shaft in the drilling process, and is an important guarantee for preventing complex conditions in the shaft such as drilling sticking, well kick, blowout and the like. Meanwhile, the good drilling fluid performance is an important means for protecting an oil-gas reservoir, prevents the damage to the oil-gas reservoir in the drilling process and is also an important measure for improving the oil-gas recovery rate and the yield.
The drilling fluid mainly comprises a liquid phase, a solid phase and a chemical treatment agent. The liquid phase can be water (fresh water, salt water), oil (crude oil, diesel oil) or emulsion (oil-mixed emulsion and inverse emulsion); the solid phase includes a useful solid phase (bentonite, weighting material) and a useless solid phase (drill bit crushed rock chips). Chemical treatment agents include inorganic, organic and polymeric compounds. With the increasing difficulty and depth of oil field exploration and development, the drilling technology has higher and higher requirements on the performance of drilling fluid with special functions, so that the components of the drilling fluid are more and more complex, and the types and the quantity of used chemical additives are greatly increased.
The main performance parameters of the drilling fluid comprise density, viscosity, shearing force, filtration loss, pH value, sand content, solid phase content, bentonite content, various ion concentrations of filtrate and the like, and as the drilling fluid systems and the performance parameters of the drilling fluid systems used in different areas, different stratums and different well sections are different along with the increase of the drilling depth, the performance parameters of the drilling fluid need to be adjusted according to the actual drilling process in the drilling process. At present, the method mainly adopted is that field workers manually sample and measure, manually start and stop solid-liquid separation and adjustment are carried out on solid-liquid separation equipment, or manual conveying and bag removal are carried out to add drilling fluid weighting materials and various treating agents into a circulating tank of a solid control system to carry out performance parameter adjustment. The method mainly has the problems of low manual measurement precision, high labor intensity of manual carrying, bag opening and adding of the chemical treatment agent for the drilling fluid, inaccurate adding amount, low efficiency, serious dust hazard to human bodies during operation, large environmental pollution, potential safety hazard and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the artifical manual measurement of drilling fluid performance parameter in the drilling fluid performance parameter regulation, solid accuse equipment manual control opens and stops and the drilling fluid additive, aggravate the above-mentioned problem that the artifical interpolation of material exists, a drilling fluid performance parameter automatic regulating system is provided, can be according to the drilling fluid performance parameter requirement of well drilling in-process actual engineering needs, through real-time on-line measuring and calculation, solid phase control equipment among the feedback control solid accuse system, additive charging system, aggravate the system, realize solid accuse equipment from the operation, automatic ration interpolation and automatic ration aggravate, realize the automation, dustless operation, the efficiency is improved, it is healthy to satisfy, safety, environmental protection requirement.
In order to solve the above problems, the technical solution of the present invention is:
an automatic regulating system for drilling fluid performance parameters comprises a solid control system, a central control system, a parameter online measuring system, a weighting system and a treating agent charging system; wherein:
the treating agent feeding system comprises a treating agent metering control device, a treating agent storage tank and a control valve, wherein the treating agent metering control device is connected with the control valve, and the treating agent storage tank is connected with the solid control system through the control valve;
the weighting system comprises a weighting material metering control device, a weighting material storage tank, a weighting pump and a weighting system control cabinet, wherein the weighting system control cabinet is connected with the weighting material metering control device and the weighting pump;
the parameter online measurement system is connected with the solid control system;
the central control system is respectively connected with the parameter on-line measuring system, the weighting system control cabinet and the treating agent metering control device.
The above scheme further comprises:
the solid control system comprises a vibrating screen, a deaerator, a desander, a desliming device, a medium-speed centrifuge and a high-speed centrifuge.
The weighting system also includes a weighting funnel.
The parameter on-line measurement system comprises a plurality of real-time on-line measurement systems for measuring the density, viscosity, shearing force, filtration loss, pH value, sand content, solid content, bentonite content and various ion concentrations of filtrate, and transmits the measured values to a central control system, and obtains control instructions of the types and addition amounts of the drilling fluid treating agent and the weighting material by comparing with the actually required drilling fluid target performance parameters and software calculation, and sends the control instructions to a weighting system control cabinet and a treating agent metering control device.
Compared with the prior art, the beneficial effects of the utility model are that: the drilling fluid performance parameters can be automatically measured on line in real time, and the problems of low precision and low efficiency in manual sampling measurement and manual calculation are solved; the sensor and the control software are used for automatic measurement, automatic calculation and automatic metering control, so that quantitative addition is realized, and the waste of drilling fluid materials is avoided; the drilling fluid weighting material and the chemical treatment agent are automatically and quantitatively added, so that the comprehensive performance parameters of the drilling fluid are automatically adjusted, automatic and dustless operation is realized, the efficiency is improved, and the requirements of health, safety and environmental protection are met; manual carrying and bag removal are not needed, so that the labor intensity of workers is greatly reduced, the whole process is closed, dustless operation is realized, and the harm of dust to human bodies and the environment is reduced to the minimum; the drilling fluid solid control equipment is automatically started and stopped according to the drilling fluid solid control requirement, so that the phenomena of slurry leakage and the like are prevented, and the obvious effects of energy conservation and consumption reduction are achieved.
Drawings
Fig. 1 is an elevation schematic view of an automatic drilling fluid performance parameter adjusting system of the present invention.
Reference numerals: 1. the system comprises a solid control system, 2, a vibrating screen, 3, a deaerator, 4, a desander, 5, a deslimer, 6, a medium-speed centrifuge, 7, a high-speed centrifuge, 8, a central control system, 9, a parameter online measurement system, 10, a weighting system, 11, a weighting material metering control device, 12, a weighting material storage tank, 13, a weighting pump, 14, a weighting hopper, 15, a weighting system control cabinet, 16, a treating agent feeding system, 17, a treating agent metering control device, 18, a treating agent storage tank, 19, a control valve, 20, a drilling pump and 21, a shaft.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
Referring to the attached figure 1, the automatic drilling fluid performance parameter adjusting system comprises a solid control system 1, a central control system 8, a parameter online measuring system 9, a weighting system 10 and a treating agent feeding system 16; wherein:
the treating agent feeding system 16 comprises a treating agent metering control device 17, a treating agent storage tank 18 and a control valve 19, wherein the treating agent metering control device 17 is connected with the control valve 19, and the treating agent storage tank 18 is connected with the solid control system 1 through the control valve 19;
the weighting system 10 comprises a weighting material metering control device 11, a weighting material storage tank 12, a weighting pump 13 and a weighting system control cabinet 15, wherein the weighting system control cabinet 15 is connected with the weighting material metering control device 11 and the weighting pump 13;
the parameter online measurement system 9 is connected with the solid control system 1;
the central control system 8 is respectively connected with the parameter on-line measuring system 9, the weighting system control cabinet 15 and the treating agent metering control device 17.
Example 2
On the basis of the embodiment 1, the solid control system 1 comprises a vibrating screen 2, a deaerator 3, a desander 4, a desliming device 5, a medium-speed centrifuge 6 and a high-speed centrifuge 7.
The weighting system 10 also includes a weighting funnel 14.
Example 3
On the basis of the embodiment 1 or 2, the parameter online measurement system 9 includes a plurality of real-time online measurement of drilling fluid density, viscosity, shear force, filtration loss, PH value, sand content, solid content, bentonite content, and various ion concentrations of filtrate, and transmits the measured values to the central control system 8, and obtains control instructions of the types and addition amounts of the drilling fluid treatment agent and the weighting material by comparing with the actually required drilling fluid target performance parameters and software calculation, and transmits the control instructions to the weighting system control cabinet 15 and the treatment agent metering control device 17.
The parameter on-line measuring system automatically measures the density, viscosity, shearing force, filtration loss, PH value, sand content, solid content, bentonite content and various ion concentrations of filtrate in the drilling fluid solid control system in real time and transmits the measured values to the central control system, the automatic start and stop of a vibrating screen, a degasser, a desander, a desliming device, a medium-speed centrifuge and a high-speed centrifuge separation device in the drilling fluid solid control system are respectively controlled by feedback control signals output by the central control system according to the comparison and calculation results through comparison and calculation with actually required drilling fluid target performance parameters or drilling fluid performance parameters of different well sections in the drilling engineering design, the mechanical automatic adjustment of the comprehensive performance of the drilling fluid is realized, meanwhile, the automatic control is carried out on the drilling fluid weighting system and a drilling fluid chemical treatment agent feeding system as feedback control signals, the automatic and quantitative addition of weighting drilling fluid materials and chemical treatment agents is realized, thereby realizing the automatic adjustment of the comprehensive performance parameters of the drilling fluid.
Example 4
Referring to the attached figure 1, the automatic drilling fluid performance parameter adjusting system comprises a solid control system 1, a central control system 8, an online parameter measuring system 9, a weighting system 10, a treating agent feeding system 16, a treating agent metering control device 17, a treating agent storage tank 18, a control valve 19, a shaft 20 and a drilling pump 21.
The drilling fluid solid control system 1 comprises a vibrating screen 2, a degasser 3, a desander 4, a deslimitor 5, a medium-speed centrifuge 6 and a high-speed centrifuge 7. The weighting system 10 includes a weighting material metering control device 11, a weighting material storage tank 12, a weighting pump 13, a weighting hopper 14, and a weighting system control cabinet 15. The drilling fluid treating agent feeding system 16 comprises a treating agent metering control device 17, a treating agent storage tank 18 and a control valve 19. A treating agent metering control device 17 and a control valve 19 are arranged between the treating agent storage tank 18 and the solid control system 1.
The central control system 8 is respectively connected with the parameter on-line measuring system 9, the weighting system control cabinet 15 and the treating agent metering control device 17; the treating agent metering control device 17 is connected with a control valve 19; the weighting system control cabinet 15 is connected with the weighting material metering control device 11 and the weighting pump (13).
The working process is as follows: before drilling a well, preparing various drilling fluid chemical treatment agents according to drilling engineering design and geological design requirements, putting the various drilling fluid treatment agents into a treatment agent storage tank 18 for classified storage after the various drilling fluid treatment agents are conveyed to a well site, wherein the treatment agent storage tank 18 is provided with a plurality of treatment agent storage tanks 18, different types and different properties of treatment agents are respectively placed in the treatment agent storage tanks, and the position of each treatment agent storage tank 18, the stored treatment agents and the quantity information are transmitted to the central control system 8.
In the drilling process, when the central control system 8 sends out a signal of which treating agent needs to be added, the control valve 19 controls the opening and closing of the inlet of the treating agent storage tank 18 according to the recorded position information of the drilling fluid treating agent, and then the treating agent metering control device 17 automatically meters and controls the adding amount of the treating agent according to the signal of the specific amount needing to be added sent out by the central control system 8.
In the drilling process, after a drill bit in a well breaks rocks, a large amount of solid phases are generated in a shaft 26, the solid phases are carried to a drilling fluid solid control system 1 on the ground by drilling fluid with certain density, viscosity and suspension force performance, solid-liquid separation is carried out step by step through a vibrating screen 2, a degasser 3, a sand remover 4, a mud remover 5, a medium-speed centrifuge 6 and a high-speed centrifuge 7, harmful solid phases such as rock debris are separated, most useful solid phases such as bentonite and barite drilling fluid weighting materials and liquid phases are reserved, and the drilling fluid with low solid phase content after separation is pumped into a shaft 21 again through a drilling pump 20 for recycling. In the circulation process of the drilling fluid, a parameter online measuring system 9 arranged on the solid control system 1 automatically measures performance parameters such as the density, viscosity, shearing force, filtration loss, pH value, sand content, solid content, bentonite content and various ion concentrations of the drilling fluid in the solid control system 1 in real time, transmits the measured values to a central control system 8, compares and calculates the measured values with actually required target performance parameters of the drilling fluid or the performance parameters of the drilling fluid in different well sections in the drilling engineering design, and respectively controls the automatic start and stop of various solid-liquid separation devices such as a vibrating screen 2, a degasser 3, a sand remover 4, a mud remover 5, a medium speed centrifuge 6 and a high speed centrifuge 7 in the solid control system 1 according to feedback control signals output by the central control system 8 according to calculation results, thereby realizing the mechanical automatic adjustment of the comprehensive performance of the drilling fluid.
The central control system 8 can automatically measure the solid control system 1 and calculate the volume of the actual liquid in the shaft 21, and compares and calculates the actual volume with the drilling fluid performance parameters automatically measured in real time by the parameter online measurement system 9 to obtain the type and the addition amount of the drilling fluid treatment agent to be added, generates a control signal and sends the control signal to the treatment agent feeding system 16, and automatically adds the treatment agent to the solid control system 1 to realize the automatic adjustment of the feeding of the drilling fluid treatment agent.
In the drilling process, the online parameter measuring system 9 measures the drilling fluid density in the solid control system 1 on line, the measured drilling fluid density parameter is transmitted to the central control system 8, the central control system 8 compares and calculates the drilling fluid density target parameter according to actual needs to obtain the amount of drilling fluid weighting material required to be added as a feedback control signal, and the weighting of the drilling fluid is completed through the weighting material metering control device 11, the weighting material storage tank 12, the weighting pump 13, the weighting funnel 14 and the weighting system control cabinet 15, so that the control and adjustment of the drilling fluid density parameter are realized.
The advantages are that: in the drilling process, according to the solid-liquid separation precision of different solid control equipment, the drilling fluid solid control equipment is used economically and reasonably, harmful solid phases such as rock debris in a solid-liquid mixture returning from a shaft are removed, and useful solid phases are reserved; reasonably controlling the solid phase of the drilling fluid according to the drilling process requirement; the performance parameters of the drilling fluid can be automatically measured in real time on line, and the problems of manual measurement and manual calculation are solved; the quantitative accurate addition is realized through metering control, and the waste of drilling fluid materials is avoided; the drilling fluid weighting and treating agent adding degree of automation is high, the operation is simple and convenient, and the efficiency is high; the process that the treating agent enters the drilling fluid circulating system from the treating agent storage tank is automated, so that the harm of dust to human bodies and the environment is greatly reduced; the drilling fluid solid control equipment is automatically started and stopped according to the drilling fluid solid control requirement, so that the phenomenon of mud leakage is prevented, and the obvious effects of energy conservation and consumption reduction are achieved; the system is easy to integrate, support, mount, dismount and maintain; by reasonably controlling the solid control equipment and automatically and quantitatively adding the weighting material and the treating agent, the comprehensive performance of the drilling fluid is optimized and adjusted, the performance of the drilling fluid is ensured to optimally meet the requirements of actual drilling engineering, the safety in a shaft in the drilling process is ensured, the complex conditions under the well such as sticking, kick and blowout are prevented, the damage to a reservoir stratum of an oil-gas layer is prevented, and the oil-gas recovery rate and the yield are improved; the system can avoid the waste of drilling fluid, drilling fluid treating agent and weighting material, and save the drilling cost; the use cost is low, and the method has good economical efficiency, practicability, safety and environmental protection.
Claims (3)
1. An automatic adjusting system for drilling fluid performance parameters comprises a solid control system (1), a central control system (8), an online parameter measuring system (9), a weighting system (10) and a treating agent feeding system (16); the method is characterized in that:
the treating agent feeding system (16) comprises a treating agent metering control device (17), a treating agent storage tank (18) and a control valve (19), wherein the treating agent metering control device (17) is connected with the control valve (19), and the treating agent storage tank (18) is connected with the solid control system (1) through the control valve (19);
the weighting system (10) comprises a weighting material metering control device (11), a weighting material storage tank (12), a weighting pump (13) and a weighting system control cabinet (15), wherein the weighting system control cabinet (15) is connected with the weighting material metering control device (11) and the weighting pump (13);
the parameter online measurement system (9) is connected with the solid control system (1);
the central control system (8) is respectively connected with the parameter on-line measuring system (9), the weighting system control cabinet (15) and the treating agent metering control device (17).
2. The automatic drilling fluid performance parameter adjustment system of claim 1, wherein: the solid control system (1) comprises a vibrating screen (2), a deaerator (3), a sand remover (4), a mud remover (5), a medium-speed centrifuge (6) and a high-speed centrifuge (7).
3. The automatic drilling fluid performance parameter adjustment system according to claim 1 or 2, wherein: the weighting system (10) further comprises a weighting funnel (14).
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| CN202020481951.6U CN213016251U (en) | 2020-04-06 | 2020-04-06 | Automatic drilling fluid performance parameter adjusting system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250635A (en) * | 2021-06-16 | 2021-08-13 | 北京探矿工程研究所 | Drilling fluid integrated processing system and method based on cloud intelligent control and visualization |
| CN113279747A (en) * | 2021-05-18 | 2021-08-20 | 中国地质大学（武汉） | System and method for allocating drilling mud formula and performance parameters |
| CN115126430A (en) * | 2022-08-04 | 2022-09-30 | 承德石油高等专科学校 | High-density drilling fluid treatment device |
-
2020
- 2020-04-06 CN CN202020481951.6U patent/CN213016251U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279747A (en) * | 2021-05-18 | 2021-08-20 | 中国地质大学（武汉） | System and method for allocating drilling mud formula and performance parameters |
| CN113250635A (en) * | 2021-06-16 | 2021-08-13 | 北京探矿工程研究所 | Drilling fluid integrated processing system and method based on cloud intelligent control and visualization |
| CN115126430A (en) * | 2022-08-04 | 2022-09-30 | 承德石油高等专科学校 | High-density drilling fluid treatment device |
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