CN107448166B - risk assessment method and device for drilling blowout preventer system - Google Patents
risk assessment method and device for drilling blowout preventer system Download PDFInfo
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- CN107448166B CN107448166B CN201610374391.2A CN201610374391A CN107448166B CN 107448166 B CN107448166 B CN 107448166B CN 201610374391 A CN201610374391 A CN 201610374391A CN 107448166 B CN107448166 B CN 107448166B
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- blowout preventer
- index value
- preventer system
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
Abstract
The invention provides a risk assessment method and device of a drilling blowout preventer system, and relates to the technical field of oil exploitation safety. The method comprises the steps of obtaining functional factor information of each part of the blowout preventer system; acquiring fault information of each component in each part of the blowout preventer system; determining a second index value of each component in each part of the blowout preventer system according to the first index value and the second weight information; determining a third index value corresponding to each first fault mode according to the second index value of each component; determining a first overall index value corresponding to each part of the blowout preventer system according to the first weight information and the third index value; determining a second overall index value of the blowout preventer system according to the first overall index value and the third weight information corresponding to each part of the blowout preventer system; and respectively determining a first processing strategy of each component in each part of the blowout preventer system, a second processing strategy of each part and a third processing strategy of the blowout preventer system according to the second index value, the first overall index value and the second overall index value.
Description
Technical Field
The invention relates to the technical field of oil exploitation safety, in particular to a risk assessment method and device of a drilling blowout preventer system.
Background
At present, along with continuous exploitation of petroleum, safety of land petroleum drilling exploitation is paid particular attention to by various petroleum enterprises. In the process of petroleum drilling, due to multiple uncertain factors, complex well control conditions are easy to occur, and emergency dangerous situations or blowout of well control can occur in severe cases, so that the production safety of petroleum enterprises is seriously threatened.
Currently, before drilling wells in oil and gas fields, various oil enterprises can carry out well control design according to the well control design parts in the Chinese oil and gas industry standard and the offshore drilling operation well control standard, but at present, in the two standards of the Chinese oil and gas industry standard and the offshore drilling operation well control standard and the actual well control design of the oil and gas fields, whether the well control design of a certain well is reasonable or not and whether a runaway risk exists or not according to the characteristics of a blowout preventer system after blowout occurs do not have a systematic evaluation method and description. This results in the prior art not being able to develop a blowout runaway prevention design for a well in detail, and increases the risk of blowout runaway during drilling at the well site.
disclosure of Invention
The embodiment of the invention provides a risk assessment method and a risk assessment device for a drilling blowout preventer system, and aims to solve the problems that the prior art cannot improve the blowout control prevention design of a certain well in detail and the risk degree of blowout control is increased in the well site drilling process.
in order to achieve the purpose, the invention adopts the following technical scheme:
a method of risk assessment of a drilling blowout preventer system, comprising:
Determining name information of each part of the blowout preventer system, and acquiring functional factor information of each part of the blowout preventer system according to the name information of each part of the blowout preventer system; the functional factor information of each part of the blowout preventer system comprises installation position and use information of each part of the blowout preventer system, first fault mode information of each part of the blowout preventer system, first fault reason information of each part of the blowout preventer system, first influence information of each first fault mode on the blowout preventer system, and first weight information of each first fault mode in the blowout preventer system;
determining name information of each component in each part of the blowout preventer system, and acquiring fault information of each component in each part of the blowout preventer system according to the name information of each component in each part of the blowout preventer system; the fault information of each component comprises second fault mode information of each component, second fault reason information of each component, second influence information of each second fault mode on the component, third influence information of each second fault mode on the blowout preventer system, second weight information of each second fault mode in the blowout preventer system and first index values corresponding to each second fault mode;
determining a second index value of each component in each part of the blowout preventer system according to the first index value and the second weight information;
determining a third index value corresponding to each first fault mode according to the second index value of each component;
Determining a first overall index value corresponding to each part of the blowout preventer system according to the first weight information and the third index value;
acquiring third weight information of each part of the blowout preventer system relative to the blowout preventer system;
determining a second overall index value of the blowout preventer system according to the first overall index value and the third weight information corresponding to each part of the blowout preventer system;
determining a first treatment strategy for each component in each part of the blowout preventer system according to the second index value;
determining a second processing strategy of each part of the blowout preventer system according to the first overall index value;
determining a third treatment strategy for the blowout preventer system based on the second overall indicator value.
Specifically, each part of the blowout preventer system includes: flexible joints, annular blowout preventers, ram blowout preventers, hydraulic connectors, and emergency relief valves.
Specifically, each subassembly in each part of the preventer system includes:
the flexible joint comprises a flexible component, a flexible joint shell and a flexible joint auxiliary component in the flexible joint;
an annular blowout preventer shell, a rubber core, a first hydraulic assembly and an annular blowout preventer auxiliary assembly in an annular blowout preventer;
A ram blowout preventer shell, a locking mechanism, a side door, a second hydraulic component, a ram blowout preventer auxiliary component and a ram assembly in the ram blowout preventer;
a hydraulic connector housing, a third hydraulic component, a hydraulic connector auxiliary component in the hydraulic connector;
An emergency safety valve housing, a fourth hydraulic assembly and a valve assembly in the emergency safety valve.
further, the risk assessment method of the drilling blowout preventer system further comprises the following steps:
And receiving first index values corresponding to the second failure modes input by a user.
specifically, determining a second index value of each component in each part of the blowout preventer system according to the first index value and the second weight information includes:
According to the formula, A is B 1 × C 1 + B 2 × C 2 + … … + B n × C n
A second index value A of a component in a position of the blowout preventer system is determined, wherein B 1 is a first index value of a 1 st second failure mode corresponding to the component, C 1 is a second weight of the 1 st second failure mode corresponding to the component in the blowout preventer system, B n is a first index value of an nth second failure mode corresponding to the component, and C n is a second weight of the nth second failure mode corresponding to the component in the blowout preventer system.
Specifically, determining a first overall index value corresponding to each part of the blowout preventer system according to the first weight information and the third index value includes:
According to the formula, D is E 1 XF 1 + E 2 XF 2 + … … + E n XF n
a first overall index value D corresponding to a position of the blowout preventer system is determined, wherein E 1 is a third index value corresponding to a 1 st first fault mode of a component of the blowout preventer system, F 1 is a first weight of the 1 st first fault mode of the component of the blowout preventer system in the blowout preventer system, E n is a third index value corresponding to an nth first fault mode of the component of the blowout preventer system, and F n is a first weight of the nth first fault mode of the component of the blowout preventer system in the blowout preventer system.
Specifically, determining a second overall index value of the blowout preventer system according to the first overall index value and the third weight information corresponding to each part of the blowout preventer system includes:
According to the formula, G-H 1 × I 1 + H 2 × I 2 + … … + H n × I n
and determining a second overall index value G of the blowout preventer system, wherein H 1 is a first overall index value corresponding to the 1 st part of the blowout preventer system, I 1 is a third weight corresponding to the 1 st part of the blowout preventer system, H n is a first overall index value corresponding to the nth part of the blowout preventer system, and I n is a third weight corresponding to the nth part of the blowout preventer system.
specifically, determining a first processing strategy of each component in each part of the blowout preventer system according to the second index value includes:
if the second index value is within a preset first preset value interval, determining the component corresponding to the second index value as a component to be repaired;
And if the second index value is within a preset second preset value interval, determining the component corresponding to the second index value as the component to be replaced.
Specifically, the determining a second processing strategy of each part of the blowout preventer system according to the first overall index value includes:
if the first overall index value is within a preset third preset value interval, determining that the part of the blowout preventer system corresponding to the first overall index value is a part to be repaired;
And if the first overall index value is within a preset fourth preset value interval, determining that the part of the blowout preventer system corresponding to the first overall index value is a part to be replaced.
specifically, the determining a third processing strategy of the blowout preventer system according to the second overall index value comprises:
if the second integral index value is in a preset fifth preset value interval, determining that the blowout preventer system corresponding to the second integral index value is a system to be repaired;
And if the second integral index value is in a preset sixth preset value interval, determining that the part of the blowout preventer system corresponding to the second integral index value is a system to be replaced.
A risk assessment device of a drilling blowout preventer system, comprising:
The device comprises a part function factor information acquisition unit, a control unit and a control unit, wherein the part function factor information acquisition unit is used for determining name information of each part of the blowout preventer system and acquiring function factor information of each part of the blowout preventer system according to the name information of each part of the blowout preventer system; the functional factor information of each part of the blowout preventer system comprises installation position and use information of each part of the blowout preventer system, first fault mode information of each part of the blowout preventer system, first fault reason information of each part of the blowout preventer system, first influence information of each first fault mode on the blowout preventer system, and first weight information of each first fault mode in the blowout preventer system;
The device comprises a component fault information acquisition unit, a component fault information acquisition unit and a component fault information processing unit, wherein the component fault information acquisition unit is used for determining name information of each component in each part of the blowout preventer system and acquiring fault information of each component in each part of the blowout preventer system according to the name information of each component in each part of the blowout preventer system; the fault information of each component comprises second fault mode information of each component, second fault reason information of each component, second influence information of each second fault mode on the component, third influence information of each second fault mode on the blowout preventer system, second weight information of each second fault mode in the blowout preventer system and first index values corresponding to each second fault mode;
a second index value determination unit, configured to determine a second index value of each component in each part of the blowout preventer system according to the first index value and the second weight information;
a third index value determination unit, configured to determine a third index value corresponding to each first failure mode according to the second index value of each component;
a first overall index value determining unit, configured to determine a first overall index value corresponding to each part of the blowout preventer system according to the first weight information and the third index value;
the weight information acquisition unit is used for acquiring third weight information of each part of the blowout preventer system relative to the blowout preventer system;
a second overall index value determination unit, configured to determine a second overall index value of the blowout preventer system according to the first overall index value and the third weight information corresponding to each part of the blowout preventer system;
The processing strategy determining unit is used for determining a first processing strategy of each component in each part of the blowout preventer system according to the second index value; determining a second processing strategy of each part of the blowout preventer system according to the first overall index value; determining a third treatment strategy for the blowout preventer system based on the second overall indicator value.
specifically, each part of the blowout preventer system includes: flexible joints, annular blowout preventers, ram blowout preventers, hydraulic connectors, and emergency relief valves.
specifically, each subassembly in each part of the preventer system includes:
The flexible joint comprises a flexible component, a flexible joint shell and a flexible joint auxiliary component in the flexible joint;
an annular blowout preventer shell, a rubber core, a first hydraulic assembly and an annular blowout preventer auxiliary assembly in an annular blowout preventer;
a ram blowout preventer shell, a locking mechanism, a side door, a second hydraulic component, a ram blowout preventer auxiliary component and a ram assembly in the ram blowout preventer;
A hydraulic connector housing, a third hydraulic component, a hydraulic connector auxiliary component in the hydraulic connector;
an emergency safety valve housing, a fourth hydraulic assembly and a valve assembly in the emergency safety valve.
Further, the risk assessment device of the drilling blowout preventer system further comprises:
And the first index value receiving unit is used for receiving the first index values corresponding to the second fault modes input by the user.
in addition, the second index value determination unit is specifically configured to:
according to the formula, A is B 1 × C 1 + B 2 × C 2 + … … + B n × C n
A second index value A of a component in a position of the blowout preventer system is determined, wherein B 1 is a first index value of a 1 st second failure mode corresponding to the component, C 1 is a second weight of the 1 st second failure mode corresponding to the component in the blowout preventer system, B n is a first index value of an nth second failure mode corresponding to the component, and C n is a second weight of the nth second failure mode corresponding to the component in the blowout preventer system.
Furthermore, the first overall index value determining unit is specifically configured to:
According to the formula, D is E 1 XF 1 + E 2 XF 2 + … … + E n XF n
a first overall index value D corresponding to a position of the blowout preventer system is determined, wherein E 1 is a third index value corresponding to a 1 st first fault mode of a component of the blowout preventer system, F 1 is a first weight of the 1 st first fault mode of the component of the blowout preventer system in the blowout preventer system, E n is a third index value corresponding to an nth first fault mode of the component of the blowout preventer system, and F n is a first weight of the nth first fault mode of the component of the blowout preventer system in the blowout preventer system.
Furthermore, the second overall index value determination unit is specifically configured to:
According to the formula, G-H 1 × I 1 + H 2 × I 2 + … … + H n × I n
and determining a second overall index value G of the blowout preventer system, wherein H 1 is a first overall index value corresponding to the 1 st part of the blowout preventer system, I 1 is a third weight corresponding to the 1 st part of the blowout preventer system, H n is a first overall index value corresponding to the nth part of the blowout preventer system, and I n is a third weight corresponding to the nth part of the blowout preventer system.
In addition, the processing policy determining unit is specifically configured to:
When the second index value is within a preset first preset value interval, determining the component corresponding to the second index value as a component to be repaired;
And when the second index value is within a preset second preset value interval, determining the component corresponding to the second index value as a component to be replaced.
In addition, the processing policy determining unit is specifically configured to:
When the first overall index value is within a preset third preset value interval, determining that the part of the blowout preventer system corresponding to the first overall index value is a part to be repaired;
and when the first overall index value is within a preset fourth preset value interval, determining that the part of the blowout preventer system corresponding to the first overall index value is a part to be replaced.
In addition, the processing policy determining unit is specifically configured to:
When the second overall index value is within a preset fifth preset value interval, determining that the blowout preventer system corresponding to the second overall index value is a system to be repaired;
and when the second overall index value is within a preset sixth preset value interval, determining the blowout preventer system part corresponding to the second overall index value as a system to be replaced.
according to the risk assessment method and device for the drilling blowout preventer system, functional factor information of each part of the blowout preventer system is obtained, and fault information of each component in each part of the blowout preventer system is obtained; in this way, the second index value of each component in each part of the blowout preventer system can be determined according to the first index value and the second weight information in the fault information of each component; further, a third index value corresponding to each first fault mode can be determined according to the second index value of each component; determining a first overall index value corresponding to each part of the blowout preventer system according to the first weight information and the third index value; determining a second overall index value of the blowout preventer system according to the first overall index value and the third weight information corresponding to each part of the blowout preventer system; and then, respectively determining a first processing strategy of each component in each part of the blowout preventer system, a second processing strategy of each part of the blowout preventer system and a third processing strategy of the blowout preventer system according to the second index value, the first overall index value and the second overall index value. Therefore, the method and the device can determine the index values of the whole blowout preventer system and the components of the parts, evaluate the risks of the whole blowout preventer system and the components of the parts, and further determine the corresponding processing strategies, thereby avoiding the problems that the prior art cannot improve the blowout control prevention design of a certain well in detail, and the risk degree of blowout control is increased in the well drilling process of a well site.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow chart of a method of risk assessment of a drilling blowout preventer system according to an embodiment of the present invention;
Fig. 2 is a schematic structural diagram of a risk assessment device of a drilling blowout preventer system according to an embodiment of the present invention.
Detailed Description
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.
As shown in fig. 1, an embodiment of the present invention provides a risk assessment method of a drilling blowout preventer system, including:
Step 101, determining name information of each part of the blowout preventer system, and acquiring functional factor information of each part of the blowout preventer system according to the name information of each part of the blowout preventer system.
the functional factor information of each part of the blowout preventer system comprises installation position and application information of each part of the blowout preventer system, first fault mode information of each part of the blowout preventer system, first fault reason information of each part of the blowout preventer system, first influence information of each first fault mode on the blowout preventer system, and first weight information of each first fault mode in the blowout preventer system.
and 102, determining name information of each component in each part of the blowout preventer system, and acquiring fault information of each component in each part of the blowout preventer system according to the name information of each component in each part of the blowout preventer system.
the failure information of each component comprises second failure mode information of each component, second failure cause information of each component, second influence information of each second failure mode on the component, third influence information of each second failure mode on the blowout preventer system, second weight information of each second failure mode in the blowout preventer system and first index values corresponding to each second failure mode.
And 103, determining a second index value of each component in each part of the blowout preventer system according to the first index value and the second weight information.
and step 104, determining a third index value corresponding to each first fault mode according to the second index value of each component.
and 105, determining a first overall index value corresponding to each part of the blowout preventer system according to the first weight information and the third index value.
and 106, acquiring third weight information of each part of the blowout preventer system relative to the blowout preventer system.
And step 107, determining a second overall index value of the blowout preventer system according to the first overall index value and the third weight information corresponding to each part of the blowout preventer system.
And step 108, determining a first processing strategy of each component in each part of the blowout preventer system according to the second index value.
And step 109, determining a second processing strategy of each part of the blowout preventer system according to the first overall index value.
and 110, determining a third processing strategy of the blowout preventer system according to the second overall index value.
in the present invention, the first weight information, the second weight information, and the third weight information may indicate a risk ratio of a failure of each part of the blowout preventer system to the entire system, a risk ratio of each component in each part of the blowout preventer system to the part, and a risk ratio of each part of the blowout preventer system to the entire system, respectively. The risk share may be determined by the current risk rating of the blowout preventer.
According to the risk assessment method of the drilling blowout preventer system, functional factor information of each part of the blowout preventer system is obtained, and fault information of each component in each part of the blowout preventer system is obtained; in this way, the second index value of each component in each part of the blowout preventer system can be determined according to the first index value and the second weight information in the fault information of each component; further, a third index value corresponding to each first fault mode can be determined according to the second index value of each component; determining a first overall index value corresponding to each part of the blowout preventer system according to the first weight information and the third index value; determining a second overall index value of the blowout preventer system according to the first overall index value and the third weight information corresponding to each part of the blowout preventer system; and then, respectively determining a first processing strategy of each component in each part of the blowout preventer system, a second processing strategy of each part of the blowout preventer system and a third processing strategy of the blowout preventer system according to the second index value, the first overall index value and the second overall index value. Therefore, the method and the device can determine the index values of the whole blowout preventer system and the components of the parts, evaluate the risks of the whole blowout preventer system and the components of the parts, and further determine the corresponding processing strategies, thereby avoiding the problems that the prior art cannot improve the blowout control prevention design of a certain well in detail, and the risk degree of blowout control is increased in the well drilling process of a well site.
It should be noted that, in the embodiment of the present invention, various parts of the blowout preventer system may include: flexible joints, annular blowout preventers, ram blowout preventers, hydraulic connectors, and emergency relief valves.
further, each component in each part of the blowout preventer system may include: the flexible joint comprises a flexible component, a flexible joint shell and a flexible joint auxiliary component in the flexible joint; an annular blowout preventer shell, a rubber core, a first hydraulic assembly and an annular blowout preventer auxiliary assembly in an annular blowout preventer; a ram blowout preventer shell, a locking mechanism, a side door, a second hydraulic component, a ram blowout preventer auxiliary component and a ram assembly in the ram blowout preventer; a hydraulic connector housing, a third hydraulic component, a hydraulic connector auxiliary component in the hydraulic connector; an emergency safety valve housing, a fourth hydraulic assembly and a valve assembly in the emergency safety valve.
For the step 101, the functional factor information of each part of the blowout preventer system may be as shown in table 1 below:
Table 1, functional factor information table of each part of the blowout preventer system:
in step 102, the failure information of each component in each part may be shown in table 2, table 3, table 4, table 5, and table 6, respectively.
table 2, flexible joint risk failure factor information table:
Table 3, annular blowout preventer risk failure factor information table:
table 4, ram blowout preventer risk failure factor information table:
table 5, hydraulic connector risk fault factor information table:
table 6, accident safety valve risk fault factor information table:
In addition, the first index value corresponding to each second failure mode in step 102 may be input by the user.
For example, for different second failures of different components, corresponding first index values may be input by the user, for example, the score mode indicates that the full score is 10, the component needs to be maintained for 2, the repair for 5, and the replacement for 10.
Specifically, in step 103, the second index value of each component in each part of the blowout preventer system is determined according to the first index value and the second weight information, and may be processed as follows:
According to the formula, A is B 1 × C 1 + B 2 × C 2 + … … + B n × C n
a second index value A of a component in a position of the blowout preventer system is determined, wherein B 1 is a first index value of a 1 st second failure mode corresponding to the component, C 1 is a second weight of the 1 st second failure mode corresponding to the component in the blowout preventer system, B n is a first index value of an nth second failure mode corresponding to the component, and C n is a second weight of the nth second failure mode corresponding to the component in the blowout preventer system.
in step 104, if the second index value of each component is already determined, it is possible to determine the first failure condition occurring in each part, and further, to determine the third index value. For example, if the flexible joint has a broken housing, a failed elastic rubber body, and a failed seal in the joint, the first failure mode may be determined as external leakage, and if the flexible joint needs to be replaced as a whole, the third index value may be low, such as 0 min or 2 min, but not limited thereto.
Specifically, in step 105, the first overall index value corresponding to each part of the blowout preventer system is determined according to the first weight information and the third index value, and the determination may be performed as follows:
According to the formula, D is E 1 XF 1 + E 2 XF 2 + … … + E n XF n
a first overall index value D corresponding to a position of the blowout preventer system is determined, wherein E 1 is a third index value corresponding to a 1 st first fault mode of a component of the blowout preventer system, F 1 is a first weight of the 1 st first fault mode of the component of the blowout preventer system in the blowout preventer system, E n is a third index value corresponding to an nth first fault mode of the component of the blowout preventer system, and F n is a first weight of the nth first fault mode of the component of the blowout preventer system in the blowout preventer system.
specifically, in step 107, the second overall index value of the blowout preventer system is determined according to the first overall index value and the third weight information corresponding to each part of the blowout preventer system, and the determination may be implemented as follows:
according to the formula, G-H 1 × I 1 + H 2 × I 2 + … … + H n × I n
and determining a second overall index value G of the blowout preventer system, wherein H 1 is a first overall index value corresponding to the 1 st part of the blowout preventer system, I 1 is a third weight corresponding to the 1 st part of the blowout preventer system, H n is a first overall index value corresponding to the nth part of the blowout preventer system, and I n is a third weight corresponding to the nth part of the blowout preventer system.
Further, as for the first processing strategy in the above step 108, it may be:
and if the second index value is within a preset first preset value interval, determining the component corresponding to the second index value as the component to be repaired.
For example, the first preset value interval is (5, 8) (full 10).
and if the second index value is within a preset second preset value interval, determining the component corresponding to the second index value as the component to be replaced.
For example, the second preset value interval is [0, 5] (full 10).
For the second processing strategy in step 109, it may be:
And if the first overall index value is within a preset third preset value interval, determining that the part of the blowout preventer system corresponding to the first overall index value is a part to be repaired.
For example, the third preset value interval is (5, 8) (full 10).
and if the first overall index value is within a preset fourth preset value interval, determining that the part of the blowout preventer system corresponding to the first overall index value is a part to be replaced.
For example, the fourth preset value interval is [0, 5] (full 10).
For the third processing strategy in the above step 110, it may be:
and if the second integral index value is within a preset fifth preset value interval, determining that the blowout preventer system corresponding to the second integral index value is a system to be repaired.
For example, the fifth preset value interval is (5, 8) (full 10).
and if the second integral index value is in a preset sixth preset value interval, determining that the part of the blowout preventer system corresponding to the second integral index value is a system to be replaced.
For example, the sixth preset value interval is [0, 5] (full 10).
Corresponding to the method embodiment shown in fig. 1 above, as shown in fig. 2, an embodiment of the present invention provides a risk assessment device of a drilling blowout preventer system, comprising:
The part function factor information acquiring unit 201 can determine name information of each part of the blowout preventer system, and acquire function factor information of each part of the blowout preventer system according to the name information of each part of the blowout preventer system; the functional factor information of each part of the blowout preventer system comprises installation position and application information of each part of the blowout preventer system, first fault mode information of each part of the blowout preventer system, first fault reason information of each part of the blowout preventer system, first influence information of each first fault mode on the blowout preventer system, and first weight information of each first fault mode in the blowout preventer system.
The component failure information acquisition unit 202 may determine name information of each component in each part of the blowout preventer system, and acquire failure information of each component in each part of the blowout preventer system according to the name information of each component in each part of the blowout preventer system; the failure information of each component comprises second failure mode information of each component, second failure cause information of each component, second influence information of each second failure mode on the component, third influence information of each second failure mode on the blowout preventer system, second weight information of each second failure mode in the blowout preventer system and first index values corresponding to each second failure mode.
the second index value determining unit 203 may determine a second index value of each component in each part of the blowout preventer system based on the first index value and the second weight information.
The third index value determining unit 204 may determine a third index value corresponding to each first failure mode according to the second index value of each component.
the first overall index value determining unit 205 may determine the first overall index value corresponding to each part of the blowout preventer system, based on the first weight information and the third index value.
The weight information acquiring unit 206 may acquire third weight information of each part of the blowout preventer system with respect to the blowout preventer system.
The second overall index value determining unit 207 may determine the second overall index value of the blowout preventer system based on the first overall index value and the third weight information corresponding to each part of the blowout preventer system.
A processing strategy determination unit 208, which may determine a first processing strategy for each component in each part of the blowout preventer system according to the second index value; determining a second processing strategy of each part of the blowout preventer system according to the first overall index value; determining a third treatment strategy for the blowout preventer system based on the second overall indicator value.
Specifically, each part of above-mentioned preventer system includes: flexible joints, annular blowout preventers, ram blowout preventers, hydraulic connectors, and emergency relief valves.
specifically, each component in each part of the above-mentioned blowout preventer system includes: the flexible joint comprises a flexible component, a flexible joint shell and a flexible joint auxiliary component in the flexible joint; an annular blowout preventer shell, a rubber core, a first hydraulic assembly and an annular blowout preventer auxiliary assembly in an annular blowout preventer; a ram blowout preventer shell, a locking mechanism, a side door, a second hydraulic component, a ram blowout preventer auxiliary component and a ram assembly in the ram blowout preventer; a hydraulic connector housing, a third hydraulic component, a hydraulic connector auxiliary component in the hydraulic connector; an emergency safety valve housing, a fourth hydraulic assembly and a valve assembly in the emergency safety valve.
further, as shown in fig. 2, the risk assessment apparatus of the drilling blowout preventer system may further include:
The first index value receiving unit 209 may receive a first index value corresponding to each second failure mode input by the user.
In addition, the second index value determining unit 203 may specifically:
According to the formula, A is B 1 × C 1 + B 2 × C 2 + … … + B n × C n
A second index value A of a component in a position of the blowout preventer system is determined, wherein B 1 is a first index value of a 1 st second failure mode corresponding to the component, C 1 is a second weight of the 1 st second failure mode corresponding to the component in the blowout preventer system, B n is a first index value of an nth second failure mode corresponding to the component, and C n is a second weight of the nth second failure mode corresponding to the component in the blowout preventer system.
in addition, the first overall index value determining unit 205 may specifically:
according to the formula, D is E 1 XF 1 + E 2 XF 2 + … … + E n XF n
a first overall index value D corresponding to a position of the blowout preventer system is determined, wherein E 1 is a third index value corresponding to a 1 st first fault mode of a component of the blowout preventer system, F 1 is a first weight of the 1 st first fault mode of the component of the blowout preventer system in the blowout preventer system, E n is a third index value corresponding to an nth first fault mode of the component of the blowout preventer system, and F n is a first weight of the nth first fault mode of the component of the blowout preventer system in the blowout preventer system.
in addition, the second overall index value determining unit 207 may specifically:
according to the formula, G-H 1 × I 1 + H 2 × I 2 + … … + H n × I n
and determining a second overall index value G of the blowout preventer system, wherein H 1 is a first overall index value corresponding to the 1 st part of the blowout preventer system, I 1 is a third weight corresponding to the 1 st part of the blowout preventer system, H n is a first overall index value corresponding to the nth part of the blowout preventer system, and I n is a third weight corresponding to the nth part of the blowout preventer system.
In addition, the processing policy determining unit 208 may specifically determine, when the second index value is within a preset first preset value interval, that the component corresponding to the second index value is a component to be repaired; and when the second index value is within a preset second preset value interval, determining the component corresponding to the second index value as a component to be replaced.
in addition, the processing strategy determining unit 208 may further determine, when the first overall index value is within a preset third preset value interval, that the blowout preventer system part corresponding to the first overall index value is a part to be repaired; and when the first overall index value is within a preset fourth preset value interval, determining that the part of the blowout preventer system corresponding to the first overall index value is a part to be replaced.
in addition, the processing strategy determining unit 208 may further determine, when the second overall index value is within a preset fifth preset value interval, that the blowout preventer system corresponding to the second overall index value is a to-be-repaired system; and when the second overall index value is within a preset sixth preset value interval, determining the blowout preventer system part corresponding to the second overall index value as a system to be replaced.
It should be noted that, for a specific implementation manner of the risk assessment device of the drilling blowout preventer system according to the embodiment of the present invention, reference may be made to the method embodiment corresponding to fig. 1, and details are not described herein again.
According to the risk assessment device of the drilling blowout preventer system, functional factor information of each part of the blowout preventer system is obtained, and fault information of each component in each part of the blowout preventer system is obtained; in this way, the second index value of each component in each part of the blowout preventer system can be determined according to the first index value and the second weight information in the fault information of each component; further, a third index value corresponding to each first fault mode can be determined according to the second index value of each component; determining a first overall index value corresponding to each part of the blowout preventer system according to the first weight information and the third index value; determining a second overall index value of the blowout preventer system according to the first overall index value and the third weight information corresponding to each part of the blowout preventer system; and then, respectively determining a first processing strategy of each component in each part of the blowout preventer system, a second processing strategy of each part of the blowout preventer system and a third processing strategy of the blowout preventer system according to the second index value, the first overall index value and the second overall index value. Therefore, the method and the device can determine the index values of the whole blowout preventer system and the components of the parts, evaluate the risks of the whole blowout preventer system and the components of the parts, and further determine the corresponding processing strategies, thereby avoiding the problems that the prior art cannot improve the blowout control prevention design of a certain well in detail, and the risk degree of blowout control is increased in the well drilling process of a well site.
through the embodiment of the invention, the selection design of the blowout preventer system in the well control design can be perfected, the content is detailed, various problems which possibly occur in the blowout preventer system play function are basically listed, the method is favorable for carrying out strict inspection on the blowout preventer system under the complex conditions of different professional degrees, tense drilling progress and the like of a drilling site, the complexity brought by the existing blowout preventer evaluation method is reduced, and the blowout preventer inspection time is shortened.
as will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
these computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
these computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
the principle and the implementation mode of the invention are explained by applying specific embodiments in the invention, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (20)
1. A method of risk assessment of a drilling blowout preventer system, comprising:
Determining name information of each part of the blowout preventer system, and acquiring functional factor information of each part of the blowout preventer system according to the name information of each part of the blowout preventer system; the functional factor information of each part of the blowout preventer system comprises installation position and use information of each part of the blowout preventer system, first fault mode information of each part of the blowout preventer system, first fault reason information of each part of the blowout preventer system, first influence information of each first fault mode on the blowout preventer system, and first weight information of each first fault mode in the blowout preventer system;
Determining name information of each component in each part of the blowout preventer system, and acquiring fault information of each component in each part of the blowout preventer system according to the name information of each component in each part of the blowout preventer system; the fault information of each component comprises second fault mode information of each component, second fault reason information of each component, second influence information of each second fault mode on the component, third influence information of each second fault mode on the blowout preventer system, second weight information of each second fault mode in the blowout preventer system and first index values corresponding to each second fault mode;
Determining a second index value of each component in each part of the blowout preventer system according to the first index value and the second weight information;
determining a third index value corresponding to each first fault mode according to the second index value of each component;
Determining a first overall index value corresponding to each part of the blowout preventer system according to the first weight information and the third index value;
Acquiring third weight information of each part of the blowout preventer system relative to the blowout preventer system;
Determining a second overall index value of the blowout preventer system according to the first overall index value and the third weight information corresponding to each part of the blowout preventer system;
determining a first treatment strategy for each component in each part of the blowout preventer system according to the second index value;
Determining a second processing strategy of each part of the blowout preventer system according to the first overall index value;
Determining a third processing strategy for the blowout preventer system according to the second overall indicator value; wherein the content of the first and second substances,
The first processing strategy comprises:
If the second index value is within a preset first preset value interval, determining the component corresponding to the second index value as a component to be repaired;
If the second index value is within a preset second preset value interval, determining the component corresponding to the second index value as a component to be replaced;
The second processing strategy comprises:
If the first overall index value is within a preset third preset value interval, determining that the part of the blowout preventer system corresponding to the first overall index value is a part to be repaired;
If the first overall index value is in a preset fourth preset value interval, determining that the part of the blowout preventer system corresponding to the first overall index value is a part to be replaced;
The third processing strategy comprises:
If the second integral index value is in a preset fifth preset value interval, determining that the blowout preventer system corresponding to the second integral index value is a system to be repaired;
and if the second integral index value is in a preset sixth preset value interval, determining that the part of the blowout preventer system corresponding to the second integral index value is a system to be replaced.
2. The risk assessment method of a drilling blowout preventer system according to claim 1, wherein the blowout preventer system comprises at various locations: flexible joints, annular blowout preventers, ram blowout preventers, hydraulic connectors, and emergency relief valves.
3. the risk assessment method of a drilling blowout preventer system according to claim 2, wherein each component in each part of the blowout preventer system comprises:
The flexible joint comprises a flexible component, a flexible joint shell and a flexible joint auxiliary component in the flexible joint;
An annular blowout preventer shell, a rubber core, a first hydraulic assembly and an annular blowout preventer auxiliary assembly in an annular blowout preventer;
a ram blowout preventer shell, a locking mechanism, a side door, a second hydraulic component, a ram blowout preventer auxiliary component and a ram assembly in the ram blowout preventer;
a hydraulic connector housing, a third hydraulic component, a hydraulic connector auxiliary component in the hydraulic connector;
An emergency safety valve housing, a fourth hydraulic assembly and a valve assembly in the emergency safety valve.
4. the risk assessment method of a drilling blowout preventer system according to claim 3, further comprising:
And receiving first index values corresponding to the second failure modes input by a user.
5. the method of risk assessment of a drilling blowout preventer system according to claim 4, wherein determining a second index value for each component in each part of the blowout preventer system from the first index value and the second weight information comprises:
according to the formula, A is B 1 × C 1 + B 2 × C 2 + … … + B n × C n
A second index value A of a component in a position of the blowout preventer system is determined, wherein B 1 is a first index value of a 1 st second failure mode corresponding to the component, C 1 is a second weight of the 1 st second failure mode corresponding to the component in the blowout preventer system, B n is a first index value of an nth second failure mode corresponding to the component, and C n is a second weight of the nth second failure mode corresponding to the component in the blowout preventer system.
6. The risk assessment method of a drilling blowout preventer system according to claim 5, wherein determining a first overall indicator value for each location of the blowout preventer system from the first weight information and the third indicator value comprises:
according to the formula, D is E 1 XF 1 + E 2 XF 2 + … … + E n XF n
a first overall index value D corresponding to a position of the blowout preventer system is determined, wherein E 1 is a third index value corresponding to a 1 st first fault mode of a component of the blowout preventer system, F 1 is a first weight of the 1 st first fault mode of the component of the blowout preventer system in the blowout preventer system, E n is a third index value corresponding to an nth first fault mode of the component of the blowout preventer system, and F n is a first weight of the nth first fault mode of the component of the blowout preventer system in the blowout preventer system.
7. the risk assessment method of a drilling blowout preventer system according to claim 6, wherein determining a second overall indicator value of the blowout preventer system based on the first overall indicator value and the third weight information corresponding to each part of the blowout preventer system comprises:
according to the formula, G-H 1 × I 1 + H 2 × I 2 + … … + H n × I n
and determining a second overall index value G of the blowout preventer system, wherein H 1 is a first overall index value corresponding to the 1 st part of the blowout preventer system, I 1 is a third weight corresponding to the 1 st part of the blowout preventer system, H n is a first overall index value corresponding to the nth part of the blowout preventer system, and I n is a third weight corresponding to the nth part of the blowout preventer system.
8. the risk assessment method of a drilling blowout preventer system according to claim 7, wherein determining the first processing strategy for each component in each part of the blowout preventer system from the second index values comprises:
if the second index value is within a preset first preset value interval, determining the component corresponding to the second index value as a component to be repaired;
and if the second index value is within a preset second preset value interval, determining the component corresponding to the second index value as the component to be replaced.
9. The risk assessment method of a drilling blowout preventer system according to claim 7, wherein determining a second treatment strategy for each part of the blowout preventer system from the first overall indicator value comprises:
If the first overall index value is within a preset third preset value interval, determining that the part of the blowout preventer system corresponding to the first overall index value is a part to be repaired;
And if the first overall index value is within a preset fourth preset value interval, determining that the part of the blowout preventer system corresponding to the first overall index value is a part to be replaced.
10. the risk assessment method of a drilling blowout preventer system according to claim 7, wherein determining a third processing strategy of the blowout preventer system from the second overall indicator value comprises:
If the second integral index value is in a preset fifth preset value interval, determining that the blowout preventer system corresponding to the second integral index value is a system to be repaired;
And if the second integral index value is in a preset sixth preset value interval, determining that the part of the blowout preventer system corresponding to the second integral index value is a system to be replaced.
11. A risk assessment device of a drilling blowout preventer system, comprising:
the device comprises a part function factor information acquisition unit, a control unit and a control unit, wherein the part function factor information acquisition unit is used for determining name information of each part of the blowout preventer system and acquiring function factor information of each part of the blowout preventer system according to the name information of each part of the blowout preventer system; the functional factor information of each part of the blowout preventer system comprises installation position and use information of each part of the blowout preventer system, first fault mode information of each part of the blowout preventer system, first fault reason information of each part of the blowout preventer system, first influence information of each first fault mode on the blowout preventer system, and first weight information of each first fault mode in the blowout preventer system;
the device comprises a component fault information acquisition unit, a component fault information acquisition unit and a component fault information processing unit, wherein the component fault information acquisition unit is used for determining name information of each component in each part of the blowout preventer system and acquiring fault information of each component in each part of the blowout preventer system according to the name information of each component in each part of the blowout preventer system; the fault information of each component comprises second fault mode information of each component, second fault reason information of each component, second influence information of each second fault mode on the component, third influence information of each second fault mode on the blowout preventer system, second weight information of each second fault mode in the blowout preventer system and first index values corresponding to each second fault mode;
A second index value determination unit, configured to determine a second index value of each component in each part of the blowout preventer system according to the first index value and the second weight information;
A third index value determination unit, configured to determine a third index value corresponding to each first failure mode according to the second index value of each component;
A first overall index value determining unit, configured to determine a first overall index value corresponding to each part of the blowout preventer system according to the first weight information and the third index value;
The weight information acquisition unit is used for acquiring third weight information of each part of the blowout preventer system relative to the blowout preventer system;
A second overall index value determination unit, configured to determine a second overall index value of the blowout preventer system according to the first overall index value and the third weight information corresponding to each part of the blowout preventer system;
The processing strategy determining unit is used for determining a first processing strategy of each component in each part of the blowout preventer system according to the second index value; determining a second processing strategy of each part of the blowout preventer system according to the first overall index value; determining a third processing strategy for the blowout preventer system according to the second overall indicator value; wherein the content of the first and second substances,
the first processing strategy comprises:
If the second index value is within a preset first preset value interval, determining the component corresponding to the second index value as a component to be repaired;
If the second index value is within a preset second preset value interval, determining the component corresponding to the second index value as a component to be replaced;
the second processing strategy comprises:
if the first overall index value is within a preset third preset value interval, determining that the part of the blowout preventer system corresponding to the first overall index value is a part to be repaired;
If the first overall index value is in a preset fourth preset value interval, determining that the part of the blowout preventer system corresponding to the first overall index value is a part to be replaced;
the third processing strategy comprises:
If the second integral index value is in a preset fifth preset value interval, determining that the blowout preventer system corresponding to the second integral index value is a system to be repaired;
And if the second integral index value is in a preset sixth preset value interval, determining that the part of the blowout preventer system corresponding to the second integral index value is a system to be replaced.
12. the risk assessment device of a drilling blowout preventer system according to claim 11, wherein the blowout preventer system comprises, in various parts: flexible joints, annular blowout preventers, ram blowout preventers, hydraulic connectors, and emergency relief valves.
13. The risk assessment device of a drilling blowout preventer system according to claim 12, wherein each component in each part of the blowout preventer system comprises:
The flexible joint comprises a flexible component, a flexible joint shell and a flexible joint auxiliary component in the flexible joint;
An annular blowout preventer shell, a rubber core, a first hydraulic assembly and an annular blowout preventer auxiliary assembly in an annular blowout preventer;
a ram blowout preventer shell, a locking mechanism, a side door, a second hydraulic component, a ram blowout preventer auxiliary component and a ram assembly in the ram blowout preventer;
A hydraulic connector housing, a third hydraulic component, a hydraulic connector auxiliary component in the hydraulic connector;
an emergency safety valve housing, a fourth hydraulic assembly and a valve assembly in the emergency safety valve.
14. the risk assessment device of a drilling blowout preventer system according to claim 13, further comprising:
And the first index value receiving unit is used for receiving the first index values corresponding to the second fault modes input by the user.
15. The risk assessment arrangement of a drilling blowout preventer system according to claim 14, characterized in that the second index value determination unit is specifically configured to:
according to the formula, A is B 1 × C 1 + B 2 × C 2 + … … + B n × C n
a second index value A of a component in a position of the blowout preventer system is determined, wherein B 1 is a first index value of a 1 st second failure mode corresponding to the component, C 1 is a second weight of the 1 st second failure mode corresponding to the component in the blowout preventer system, B n is a first index value of an nth second failure mode corresponding to the component, and C n is a second weight of the nth second failure mode corresponding to the component in the blowout preventer system.
16. The risk assessment arrangement of a drilling blowout preventer system according to claim 15, wherein the first overall indicator value determining unit is specifically configured to:
According to the formula, D is E 1 XF 1 + E 2 XF 2 + … … + E n XF n
a first overall index value D corresponding to a position of the blowout preventer system is determined, wherein E 1 is a third index value corresponding to a 1 st first fault mode of a component of the blowout preventer system, F 1 is a first weight of the 1 st first fault mode of the component of the blowout preventer system in the blowout preventer system, E n is a third index value corresponding to an nth first fault mode of the component of the blowout preventer system, and F n is a first weight of the nth first fault mode of the component of the blowout preventer system in the blowout preventer system.
17. the risk assessment arrangement of a drilling blowout preventer system according to claim 16, wherein the second overall indicator value determination unit is specifically configured to:
according to the formula, G-H 1 × I 1 + H 2 × I 2 + … … + H n × I n
And determining a second overall index value G of the blowout preventer system, wherein H 1 is a first overall index value corresponding to the 1 st part of the blowout preventer system, I 1 is a third weight corresponding to the 1 st part of the blowout preventer system, H n is a first overall index value corresponding to the nth part of the blowout preventer system, and I n is a third weight corresponding to the nth part of the blowout preventer system.
18. the risk assessment arrangement of a drilling blowout preventer system according to claim 17, wherein the processing strategy determination unit is specifically configured to:
When the second index value is within a preset first preset value interval, determining the component corresponding to the second index value as a component to be repaired;
and when the second index value is within a preset second preset value interval, determining the component corresponding to the second index value as a component to be replaced.
19. The risk assessment arrangement of a drilling blowout preventer system according to claim 17, wherein the processing strategy determination unit is specifically configured to:
when the first overall index value is within a preset third preset value interval, determining that the part of the blowout preventer system corresponding to the first overall index value is a part to be repaired;
And when the first overall index value is within a preset fourth preset value interval, determining that the part of the blowout preventer system corresponding to the first overall index value is a part to be replaced.
20. the risk assessment arrangement of a drilling blowout preventer system according to claim 17, wherein the processing strategy determination unit is specifically configured to:
When the second overall index value is within a preset fifth preset value interval, determining that the blowout preventer system corresponding to the second overall index value is a system to be repaired;
and when the second overall index value is within a preset sixth preset value interval, determining the blowout preventer system part corresponding to the second overall index value as a system to be replaced.
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