CN114464042A - Shallow water shut-in well control multi-post collaborative drilling system and method based on VR technology - Google Patents
Shallow water shut-in well control multi-post collaborative drilling system and method based on VR technology Download PDFInfo
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Abstract
The invention discloses a VR technology-based shallow water shut-in well control multi-post collaborative drilling system and a method, wherein the method comprises the following substeps: step 1, configuring three-dimensional drilling scene parameters for deep water well shut-in well control; step 2, constructing a three-dimensional model of a deep water shut-in well control three-dimensional drilling scene according to the parameters; step 3, setting information parameters of each post, and synchronizing the three-dimensional state information of each post role; and 4, training personnel at different posts interact with the three-dimensional drilling scene through the immersive virtual reality helmet together to train drilling contents. The invention aims to improve the well control level of shallow water well shut-in operation personnel, simulates the scene after overflow through VR technology, and realizes multi-person collaborative drilling through division of the work and function of drilling personnel related to drilling projects, thereby having low cost and good training effect.
Description
Technical Field
The invention relates to the field of ocean drilling simulation, in particular to a shallow water shut-in well control multi-post collaborative drilling system and method based on VR technology.
Background
With the development of various infrastructure of our country, many projects are no longer limited to land, and gradually develop into rivers, lakes, and even sea areas for construction. Compared with land drilling, the overwater drilling has higher difficulty and more difficult work tasks for energy exploitation, and is influenced by various aspects of natural conditions such as flow rate, water level, seasons, storms, meteorology, tidal waters and the like, so that the construction risk is higher during construction, and therefore, the construction operation procedures of overwater engineering are scientifically and sufficiently arranged, and necessary safety measures are quite important.
In the drilling process, two well shut-in methods are provided after overflow occurs, namely hard well shut-in and soft well shut-in. The hard shut-in refers to directly closing a wellhead blowout preventer under the condition that a choke manifold is in a closed state; when the well is closed hard, the well closing action is less than that of the well closing action soft, so the well closing is fast. However, when the well is closed hard, the liquid flow channel is closed suddenly, so that the liquid flow speed is changed rapidly, and the rapid change of the fluid kinetic energy in the system can be caused to generate a 'water hammer effect'. Particularly, when high-speed oil gas rushes to a well head, the well is suddenly shut down, so that the pressure borne by the well head device, the casing and the stratum is sharply increased and even exceeds the rated working pressure of the well head device, the internal pressure resistance strength of the casing and the fracture pressure of the stratum. Therefore, most oil fields in China generally do not advocate to adopt the method to shut in the well. The method is used only under special conditions, for example, the blowout valves at two sides of the drilling four-way valve can not be opened, the overflow quantity does not exceed the maximum allowable overflow quantity, and the well can be closed quickly by adopting a hard well closing method. The soft shut-in is a shut-in method that a choke manifold is opened firstly, then a blowout preventer at the wellhead is closed, and finally the choke manifold is closed; although the soft shut-in well has more actions and is slower than the hard shut-in well, the method can prevent overlarge 'water hammer effect' from acting on the wellhead device and all parts of the well hole, and is safer to operate.
For the newly-entered staff or the oil-related professional students, the workers do not have perceptual knowledge on the drilling process, the operation of a drilling machine or the handling method in case of accidents, and after overflow occurs, due to unfamiliarity with field well closing operation, once misoperation or carelessness occurs, serious quality accidents or safety accidents can be caused, and great loss is brought to the country and people. Therefore, training on duty knowledge and training professional skills of drilling practitioners are very important. However, almost all drilling sites and facilities are distributed on water, so that training cannot be carried out on site, and if the well closing operation with vivid, vivid and visual effects cannot be carried out only by conventional classroom teaching or laboratory operation, the embarrassing situation that the course content is simple and boring and the learning effect of students is poor is avoided, and the training cannot achieve the expected effect. Meanwhile, multiple types of stereo cross collaborative operation are needed, most of the traditional drilling simulation training systems are single-machine versions, training posts are mainly drillers, other posts such as auxiliary drillers, derrick workers, external fitters, internal fitters, field workers and the like can hardly participate or have low participation degree, the multi-post and multiple-type collaborative operation can not be realized, the construction cost is high, the immersion feeling is poor, the field simulation completion degree is low, and the operation field can not be truly restored.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a VR technology-based shallow water well shut-in well control multi-post collaborative drilling system and method for training well shut-in operations in shallow water.
The purpose of the invention is realized by the following technical scheme:
a shallow water shut-in well control multi-post collaborative drilling method based on VR technology comprises the following substeps:
step 1, configuring three-dimensional drilling scene parameters of shallow water shut-in well control; the parameters comprise drilling parameters, shallow water environment parameters and equipment parameters;
step 2, constructing a three-dimensional model of a shallow water shut-in well control three-dimensional drilling scene according to the parameters;
step 3, setting information parameters of each post, and synchronizing the three-dimensional state information of each post role;
and 4, training personnel at different posts interact with the three-dimensional drilling scene through the immersive virtual reality helmet together to train drilling contents.
Further, the three-dimensional model of the shut-in well control drilling scene comprises a three-dimensional model of a hard shut-in well scene under a drilling working condition, a three-dimensional model of a hard shut-in well scene under a drill pipe tripping condition and a three-dimensional model of a hard shut-in well scene under an empty well working condition.
Further, the step 2 comprises the following sub-steps:
step 201, static model making: based on a 3D graphics method, utilizing a computer graphics technology to model and render a virtual environment;
step 202, character equipment action making: according to the position size of the static model, equipment actions and figure operation equipment actions are made by using a motion capture technology;
step 203, model mapping and material assignment: manufacturing a model map and a material according to the luster and the color of a real object, and applying the map to a scene three-dimensional model by using a concave-convex map, a high dynamic range map and a map baking technology;
step 204, setting light: simulating scene illumination by using a 3DMAX light source, and obtaining light simulating a real scene by adjusting the number, size, illumination angle and installation position of the light source; the method comprises the steps that the light of a light source body in 3DMAX is adjusted, the numerical value of a DECAY (attenuation) item in modification parameters of the light source body is adjusted, so that simulated light is more vivid, 2-3 all light sources with small brightness are arranged in the front upper part of an observation direction, and a large amount of various ambient light which is refracted, reflected and diffused by surrounding objects exists in a simulated natural environment; in the real world, the intensity of light rays decreases due to an increase in distance, simulated by Attenuation;
step 205, adjusting the later effect: the finished static model, the action of character equipment, the material of the model map and the light setting are integrated together, and then the dangerous situation in the simulation of the sudden working condition is more real through the volume special effect and the adjustment of the effect of the camera.
Further, the construction of the three-dimensional model of the shallow water shut-in well control three-dimensional drilling scene further comprises: complex object control step and multi-channel fluid implementation step: the complex object control method specifically comprises the following steps:
step 20011: setting parent-child relationship of the complex equipment correlation object;
step 20012: setting an initial state and a motion rule of an object;
step 20013: setting a state update related to the movement of the object;
the multichannel fluid is realized by the following steps:
step 20021: the Shader is responsible for combining and outputting the input Mesh grids, the input maps and the input colors;
step 20022: the drawing unit draws the image on a screen according to the output;
step 20023: and finishing the production of the low-level upper Shader through the fragment Shader, adding the input map or color to the corresponding Shader to generate the Material required by the scene, and then giving the Material to a proper render renderer to realize scene rendering.
Further, the step 3 comprises the following substeps:
step 301: associating each post with equipment needing to be operated according to the character action and the equipment of each post character in the shallow water well shut-in operation process, and setting character action sequence;
step 302: the character actions are synchronous;
step 303: synchronizing the equipment states;
step 304: the drilling data is synchronized.
Further, the step 4 further includes an automatic operation step of an uncontrolled station, and the automatic operation step of the uncontrolled station specifically includes: setting respective automatic shallow water shut-in flow scripts for each post role; and judging whether each post is controlled, and starting an automatic shallow water shut-in process script for the uncontrolled post to complete the role operation task of the uncontrolled post.
A well control multi-post collaborative drilling system for shallow water shut-in wells based on VR technology comprises an operation parameter configuration module, a role selection module, a drilling recording module and an operation scoring module; wherein the content of the first and second substances,
the operation parameter configuration module is used for a background administrator to configure the well control operation flow, the drilling parameters and the roles of operators of the deep water shut-in well under the drilling working condition;
the role selection module is used for trainees to select roles of operators to perform deep water well shut-in well control operation scene drilling;
the drilling recording module is used for providing an interactive deep water well shut-in well control operation scene three-dimensional drilling scene for the trainee and acquiring and recording the operation record of the trainee;
and the operation scoring module is used for scoring the operation records of the trained personnel according to a preset scoring standard.
The invention has the beneficial effects that: the invention aims to improve the well control level of shallow water well shut-in operation personnel, simulates the scene after overflow through VR technology, and realizes multi-person collaborative drilling through division of the work and function of drilling personnel related to drilling projects, thereby having low cost and good training effect.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
Fig. 2 is a block diagram of the system architecture of the present invention.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In this embodiment, as shown in fig. 1, a VR technology-based shallow water shut-in well control multi-station collaborative drilling method includes the following sub-steps:
step 1, configuring three-dimensional drilling scene parameters of shallow water shut-in well control; the parameters comprise drilling parameters, shallow water environment parameters and equipment parameters;
step 2, constructing a three-dimensional model of a shallow water shut-in well control three-dimensional drilling scene according to the parameters;
step 3, setting information parameters of each post, and synchronizing the three-dimensional state information of each post role;
and 4, training personnel at different posts interact with the three-dimensional drilling scene through the immersive virtual reality helmet together to train drilling contents.
The immersive virtual reality is based on a system HTC scene three-dimensional model Cosmos of a helmet-mounted display, and the helmet-mounted display is utilized to seal the vision and the hearing of a user to generate virtual vision. The user can make the participant issue an operation command to the system host through the voice recognizer, and meanwhile, the head, the hand and the eyes are tracked by the corresponding head tracker, the hand tracker and the eye sight direction tracker, so that the system achieves interaction real-time performance as much as possible. The immersive virtual reality system is an ideal model for replacing a real environment, and the immersive three-dimensional display has the characteristics of strong reality sense, flexible interaction, real-time feedback and the like.
In order to avoid mutual interference of personnel operation in a real space, an operation physical area is set for the personnel, and meanwhile, equipment cables are suspended to avoid winding and interference, so that each operator has an independent operation space.
The interaction mode can use the handle that virtual reality glasses wore to interact with the virtual reality world, also can be high up in the air through the gesture and interact, can do actions such as snatch, remove, click.
In this embodiment, the three-dimensional model of the shut-in well control drilling scene comprises a three-dimensional model of a hard shut-in well scene under a drilling condition, a three-dimensional model of a hard shut-in well scene under a drill pipe tripping condition, and a three-dimensional model of a hard shut-in well scene under an empty well condition.
Each scene personnel post can be divided into: captain, senior captain, driller, auxiliary driller, pumper (derrick worker), driller A, driller B, driller C, driller D, logging engineer, etc.
Firstly, a hard shut-in scene description under a drilling working condition: overflow signal: signal 1: the drilling speed is high; signal 2: the pump pressure is reduced; signal 3: the return flow rate is increased; signal 4: the liquid level of the mud pit rises; when the driller sees the signals 1-2, overflow check is carried out;
the hard shut-in process under the whole drilling working condition can be divided into:
1. and (3) sending a well kick signal, when the driller sees the signals 1-2, performing overflow check, and immediately sending an overflow signal when the check shows that the overflow exists or the signals 3 and 4 are displayed.
2. Stopping drilling, lifting the drilling tool to a proper position, stopping the top drive and the drilling pump.
3. The annular BOP is closed and then the upper ram BOP is closed.
4. And opening a hydraulic blow-off valve at the drilling four-way joint.
5. Confirming closing of a hydraulic throttle valve on the throttle manifold.
6. Well supervision and advanced captain are reported.
Secondly, a hard well closing scene explanation under the working condition of tripping up and tripping down the drill pipe is as follows: overflow signal: signal 1: during the connection of the drill rod, slurry automatically overflows from the return pipe; signal 2: the actual grouting amount of the drill is less than the theoretical grouting amount;
the whole hard shut-in process under the working condition of tripping the drill rod can be divided into the following steps:
1. and (5) sending a well kick signal, and informing each post after the driller sees the signals 1 and 2.
2. The drilling tool is lifted to the proper position for closing the BOP.
And 3, (1) connecting a blowout preventer in the drill rod in a preemptive mode, and (2) connecting a top drive (if the blowout preventer in the drill rod cannot be connected in a preemptive mode).
4. The annular BOP is closed and then the upper ram BOP is closed.
5. And opening a hydraulic blow-off valve at the drilling four-way joint.
6. And closing the hydraulic throttle valve on the throttle manifold.
7. Well supervision and advanced captain are reported.
Thirdly, explaining a hard shut-in scene under the working condition of pulling down the drill collar: overflow signal: signal 1: during the drill collar tripping period, the return-out is increased; signal 2: after a drill collar is taken out, the actual grouting amount is less than the theoretical grouting amount;
the whole hard shut-in process under the working condition of pulling down the drill collar can be divided into the following steps:
1. and (5) sending a well kick signal, and informing each post after the driller sees the signals 1 and 2.
2. The drill collar stand column is quickly lowered to a proper position, and the slips are well seated.
3. And (3) a change buckle connector or a blowout prevention upright post is connected in a robbing mode, and when the condition is severe, a top drive is connected, and a drill rod passes through the position of the blowout preventer.
4. The annular BOP is closed and then the upper ram BOP is closed.
5. And opening a hydraulic blow-off valve at the drilling four-way joint.
6. Confirming closing of a hydraulic throttle valve on the throttle manifold.
7. Well supervision and advanced captain are reported.
Fourthly, under the empty well working condition, a hard well closing scene is explained: and the logging and driller panel displays that abnormal backflow occurs and the metering tank is increased.
1. And (4) sending a kick signal, and informing all posts after the driller sees the signal or receives the reports of the driller and the logging.
2. The full seal/shear ram blowout preventer is closed.
3. And opening a hydraulic blow-off valve at the drilling four-way joint.
4. Confirming closing of the hydraulically operated throttle valve on the throttle manifold.
5. Well supervision and advanced captain are reported.
Further, the step 2 comprises the following sub-steps:
step 201, static model making: based on a 3D graphics method, utilizing a computer graphics technology to model and render a virtual environment;
step 202, character equipment action making: according to the position size of the static model, equipment actions and figure operation equipment actions are made by using a motion capture technology;
the processed data can be directly understood by a computer by adopting the aspects of motion capture technology, dimension measurement, positioning of objects in physical space, orientation measurement and the like. The method comprises the steps of arranging a tracker at a key part of a moving object, capturing the position of the tracker by a motion capture system, and providing data which can be applied in animation production to a user after computer processing. When the data is recognized by the computer, the designer adjusts and controls the moving object in the shot produced by the computer. The motion capture technology greatly improves the animation production level and the animation production efficiency, and makes the animation production process more intuitive and the effect more vivid.
Step 203, model mapping and material assignment: manufacturing a model map and a material according to the luster and the color of a real object, and applying the map to a scene three-dimensional model by using a concave-convex map, a high dynamic range map and a map baking technology;
step 204, setting light: simulating scene illumination by using a 3DMAX light source, and obtaining light simulating a real scene by adjusting the number, size, illumination angle and installation position of the light source; the method comprises the steps that the light of a light source body in 3DMAX is adjusted, the numerical value of a DECAY (attenuation) item in modification parameters of the light source body is adjusted, so that simulated light is more vivid, 2-3 all light sources with small brightness are arranged in the front upper part of an observation direction, and a large amount of various ambient light which is refracted, reflected and diffused by surrounding objects exists in a simulated natural environment; in the real world, the intensity of light rays decreases due to an increase in distance, simulated by Attenuation;
step 205, adjusting the later effect: the finished static model, the action of character equipment, the material of the model map and the light setting are integrated together, and then the dangerous situation in the simulation of the sudden working condition is more real through the volume special effect and the adjustment of the effect of the camera.
Further, the construction of the three-dimensional model of the shallow water shut-in well control three-dimensional drilling scene further comprises: complex object control step and multi-channel fluid implementation step: the complex object control method specifically comprises the following steps:
step 20011: setting parent-child relationship of the complex equipment correlation object;
before the complex equipment is used, the linkage relation and the association relation of the complex equipment are fully considered according to the working principle of the equipment, the set is reasonable and effective, and the parent-child relation is convenient to control. The parent-child relationship is an inheritance relationship following OOP; the parent object has the concept of a base class in an object-oriented object, and has a higher functional level. After the operation is carried out on the parent object, the related child objects can also carry out the same change; as the child object, other motion control can be performed in addition to the same motion as the parent object. Parent-child relationships can have multiple levels, and child objects can be controlled individually. By the method, efficient control of the associated object can be achieved. The control of complex objects is more realistic by following the principle and process of mechanical equipment motion.
Step 20012: setting an initial state and a motion rule of an object;
when the program starts to run, all three-dimensional objects in the three-dimensional scene are initialized to the operation state of the well site according to the requirements of the main control program. Since the system follows no ordering, this requires that all the states that a three-dimensional object may be in will be able to be simulated. Therefore, the initial state and the motion rule of the complex object need to be fully summarized and generalized to ensure that the state is consistent with the state required by the main control in the process of program operation, and the states and the field conditions of various devices in the graphic program can be correctly and efficiently returned to the main control program in a data flow manner.
Step 20013: setting a state update related to the movement of the object;
the drill flow non-sequencing operation for simulating the real situation requires that the system meets all state descriptions of a finite state machine, which requires state updating (such as a blowout preventer state, a collision relationship between an oil pipe and the blowout preventer, and the like) at any time in the process of running the graphical program. When the complex object moves, the collision detection, the motion tracking, the state judgment, the data return and other work need to be carried out, so that the action display of the three-dimensional object is met, and the related state data is transmitted in real time to ensure the consistency with the master control information;
the simulation of the flow or pressure change process of various fluids in irregular spaces in the system comprises the following steps: hydraulic oil in the blowout preventer, pressure change in the pipe wall, and the like. For the change display of the principle fluid and the pressure change in the internal structure of the equipment, a multichannel loader is adopted for realizing, and the multichannel fluid is realized by the following steps:
step 20021: the Shader is responsible for combining and outputting the input Mesh grids, the input maps and the input colors;
step 20022: the drawing unit draws the image on a screen according to the output;
step 20023: and finishing the production of the low-level upper Shader through the fragment Shader, adding the input map or color to the corresponding Shader to generate the Material required by the scene, and then giving the Material to a proper render renderer to realize scene rendering.
Further, the step 3 comprises the following substeps:
step 301: associating each post with equipment needing to be operated according to the character action and the equipment of each post character in the shallow water well closing operation process, and setting a character action sequence;
step 302: the character actions are synchronous;
step 303: synchronizing the equipment states;
step 304: the drilling data is synchronized.
The character motion synchronization mainly comprises two modes: the first is to control the character position during character movement and the synchronization of the character animation machine. In the process of character movement, the netsync script mounted on a character object is mounted on 2 different computers, the same script is mounted on 2 different computers, one of the two different places is a sending end and a receiving end, the position and the angle of the character and the animation machine on the character are controlled through the continuous sending of the sending end, and the receiving end synchronizes the position and the angle of the character on the computer and the animation machine on the character after receiving data, so that the action synchronization of the same character on the different computers is achieved. The second situation that needs to be synchronized is that when people need to cooperatively operate slips and unload the blowout prevention tool, when the equipment needs to be operated, the in-position states of two people need to be synchronized, and when the two people are in place at the same time, 2 computers can trigger respective actions, so that the actions of the people can be synchronized.
Device state synchronization is divided into two cases: the first is data on the synchronous blowout preventer, throttle control box, and driller's seat; the other is the synchronized valve state. The synchronization in the first case is realized by uploading the simulation hardware data of the device operation to the server, and the server performs calculation and then sends the data to each computer in real time. The second situation is that when the user operates the valve, the local computer judges the current valve state, and sends an operation request to the server according to the current valve state, and after the server judges that the operation is possible, the server distributes an operation instruction to each client, and after the clients respectively execute actions, the respective states are modified.
The drill data synchronization is mainly applied to synchronization of real-time well conditions, various manifold pressures, top drive operation data and the like, and the data synchronization is mainly realized by distributing the data to each client in real time through operation of a server.
The scene has a plurality of virtual roles, and each computer can only select one role to drill when performing scene drilling. Each character has a separate C # script program for controlling the view angle of the virtual character, the first person view angle or the third person view angle, and for receiving the operation commands of the mouse and the keyboard to control the position of the character, the state of the character and the use condition of the tool equipment. When a character approaches an operable device, the operable device can indicate the character of the operable device through illumination, and the virtual task selection device is guided, and each type of device comprises a separate device use menu. And each virtual role is provided with an AI script which is used for automatically completing the operation task of the uncontrolled role during the stand-alone drilling.
As shown in fig. 2, a VR technology-based shallow water well shut-in well control multi-station collaborative drilling system includes an operation parameter configuration module, a role selection module, a drilling recording module, and an operation scoring module; wherein, the first and the second end of the pipe are connected with each other,
the operation parameter configuration module is used for a background administrator to configure the well control operation flow, the drilling parameters and the roles of operators of the deep water shut-in well under the drilling working condition;
the role selection module is used for trainees to select roles of operators to perform deep water well shut-in well control operation scene drilling;
the drilling recording module is used for providing an interactive deep water well shut-in well control operation scene three-dimensional drilling scene for the trainee and acquiring and recording the operation record of the trainee;
and the operation scoring module is used for scoring the operation record of the trainee according to a preset scoring standard.
The invention combines the practical situation of the offshore oil and gas engineering, applies various computing technologies, network technologies and virtual reality technologies, and uses various training modes by means of various display environments and means, thereby practically improving the experience feeling and the integration feeling of trained personnel, enhancing the training effect, really achieving the aim of reducing the well control risk of well shut-in the offshore oil and gas exploration and development process, and providing technical support and safety guarantee for field operation.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A VR technology-based shallow water shut-in well control multi-post collaborative drilling method is characterized by comprising the following substeps:
step 1, configuring shallow water shut-in well control three-dimensional drilling scene parameters according to the actual shallow water shut-in well condition, wherein the parameters comprise drilling parameters, shallow water environment parameters and equipment parameters;
step 2, constructing a three-dimensional model of a shallow water shut-in well control drilling scene according to the configured parameters;
step 3, setting information parameters of each post, and synchronizing the three-dimensional state information of each post role;
and 4, enabling training personnel at different posts to interact with the three-dimensional shallow water well drilling scene through the immersive virtual reality helmet together, and achieving training of drilling contents.
2. The VR technology-based shallow water shut-in well control multi-station collaborative drilling method of claim 1, wherein the shallow water shut-in well control three-dimensional drilling scene three-dimensional model comprises a hard shut-in scene three-dimensional model under a drilling condition, a hard shut-in scene three-dimensional model under a drill pipe tripping condition, and a hard shut-in scene three-dimensional model under an empty well condition.
3. The VR technology-based shallow water shut-in well control multi-position collaborative drilling method of claim 1, wherein the step 2 includes the following sub-steps:
step 201, static model making: based on a 3D graphics method, utilizing a computer graphics technology to model and render a virtual environment;
step 202, character equipment action making: according to the position size of the static model, equipment actions and figure operation equipment actions are made by using a motion capture technology;
step 203, model mapping and material assignment: making model maps and materials according to the luster and color of a real object, and endowing the maps and the materials to a static model by using a concave-convex mapping, a high dynamic range mapping and a mapping baking technology;
step 204, setting light: simulating scene illumination by using a 3DMAX light source, and obtaining light simulating a real scene by adjusting the number, size, illumination angle and installation position of the light source;
step 205, adjusting the later effect: the finished static model, the action of character equipment, the material of the model map and the light setting are integrated together, and then the dangerous situation in the simulation of the sudden working condition is more real through the volume special effect and the adjustment of the effect of the camera.
4. The VR technology-based shallow water well shut-in well control multi-station collaborative drilling method of claim 1, wherein the construction of the three-dimensional shallow water well shut-in well control drilling scene model further comprises: complex object control step and multi-channel fluid implementation step: the complex object control method specifically comprises the following steps:
step 20011: setting parent-child relationship of the complex equipment correlation object;
step 20012: setting an initial state and a motion rule of an object;
step 20013: setting a state update related to the movement of the object;
the multichannel fluid is realized by the following steps:
step 20021: the Shader is responsible for combining and outputting the input Mesh grids, the input maps and the input colors;
step 20022: the drawing unit draws the image on a screen according to the output;
step 20023: and finishing the production of the low-level upper Shader through the fragment Shader, adding the input map or color to the corresponding Shader to generate the Material required by the scene, and then giving the Material to a proper render renderer to realize scene rendering.
5. The VR technology-based shallow water shut-in well control multi-station collaborative drilling method of claim 1, wherein the step 3 comprises the following sub-steps:
step 301: associating each post with equipment needing to be operated according to the character action and the equipment of each post character in the shallow water well shut-in operation process, and setting character action sequence;
step 302: the character actions are synchronous;
step 303: synchronizing the equipment states;
step 304: the drilling data is synchronized.
6. The VR technology-based shallow water shut-in well control multi-station collaborative drilling method of claim 1, wherein the step 4 further includes an automatic operation step for an uncontrolled station, and the automatic operation step for the uncontrolled station is specifically: setting respective automatic shallow water shut-in flow scripts for each post role; and judging whether each post is controlled, and starting an automatic shallow water shut-in process script for the uncontrolled post to complete the role operation task of the uncontrolled post.
7. The drilling system of the VR technology-based shallow water shut-in well control multi-station collaborative drilling method, comprising an operation parameter configuration module, a role selection module, a drilling recording module and an operation scoring module; wherein, the first and the second end of the pipe are connected with each other,
the operation parameter configuration module is used for a background administrator to configure the well control operation flow, the drilling parameters and the roles of operators of the deep water shut-in well under the drilling working condition;
the role selection module is used for trainees to select roles of operators to perform deep water well shut-in well control operation scene drilling;
the drilling recording module is used for providing an interactive deep water well shut-in well control operation scene three-dimensional drilling scene for the trainee and acquiring and recording the operation record of the trainee;
and the operation scoring module is used for scoring the operation records of the trained personnel according to a preset scoring standard.
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