CN113865538A - Method and system for online measurement and control management of state of marine three-dimensional seismic cable - Google Patents
Method and system for online measurement and control management of state of marine three-dimensional seismic cable Download PDFInfo
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Abstract
The invention discloses an online measurement and control management method and system for the state of an offshore three-dimensional seismic cable, wherein the method comprises the following steps: acquiring respective real-time three-dimensional coordinates of all cable tail labels in the same sea area, wherein each set of real-time three-dimensional coordinates comprises a data number corresponding to the cable tail label, sorting according to the data numbers and establishing an original navigation database; calling real-time three-dimensional coordinates mapped by every two adjacent data numbers in a navigation database, and outputting an absolute value of a distance between the two real-time three-dimensional coordinates; determining an interval range in which the absolute value of the interval falls, generating alarm information according to the alarm level mapped by the interval range, and defining two real-time three-dimensional coordinates triggering the generation of the alarm information as target three-dimensional coordinates; and adjusting the cable operation state according to the target three-dimensional coordinate. The invention has the beneficial effects that: the data acquisition of the seismic cable can be optimized, and the early warning efficiency is improved.
Description
Technical Field
The invention relates to the technical field of marine seismic cable measurement and control, in particular to a marine three-dimensional seismic cable state online measurement and control management method and system.
Background
The offshore three-dimensional seismic exploration is widely applied to marine geological scientific investigation at home and abroad by virtue of a plurality of advantages, has a further development trend in the future, can acquire a geological structure as deep as below ten thousand meters of sea surface, finds out the conditions of stratum development, structural evolution and the like of a sedimentary basin, and serves for mining of mineral resource exploration. For safety, a person on duty needs to pay a lot of effort to pay attention to the real-time running state of the cable, but due to the special marine environment, an efficient means for monitoring a plurality of three-dimensional seismic cables simultaneously is absent at present.
Disclosure of Invention
Aiming at the problems, the invention provides an on-line measurement and control management method and system for the state of an offshore three-dimensional seismic cable, and aims to solve the problem that an efficient means for monitoring a plurality of three-dimensional seismic cables simultaneously is lacked at present.
In order to solve the technical problems, the invention provides an online measurement and control management method for the state of a marine three-dimensional seismic cable, which comprises the following steps:
s1, acquiring respective real-time three-dimensional coordinates of all cable tail labels in the same sea area, wherein each set of real-time three-dimensional coordinates comprises a data number of the corresponding cable tail label, and sequencing and establishing an original navigation database according to the data numbers;
s2, calling real-time three-dimensional coordinates mapped by every two adjacent data numbers in the navigation database, and outputting an absolute value of the distance between the two real-time three-dimensional coordinates;
s3, determining an interval range in which the absolute value of the distance falls, generating alarm information according to the alarm level mapped by the interval range, and defining the two real-time three-dimensional coordinates triggering the generation of the alarm information as target three-dimensional coordinates;
and S4, adjusting the cable operation state according to the target three-dimensional coordinates.
In some embodiments, each cable tail marker is internally provided with a navigation system, and the real-time three-dimensional coordinates of each cable tail marker are acquired through satellite positioning.
In some embodiments, the absolute value of the distance is calculated by
|D|＝|D(i)-D(j)|
D (i) one real-time three-dimensional coordinate of the two adjacent data number mappings, and D (j) the other real-time three-dimensional coordinate of the two adjacent data number mappings.
In some embodiments, the range of intervals includes a primary interval [75, 100) m, a secondary interval [50, 75) m, and a tertiary interval [0, 50) m; when the distance absolute value falls into the first-level interval [75, 100) m, a first-level alarm prompt is generated, when the distance absolute value falls into the second-level interval [50, 75) m, a second-level alarm prompt is generated, and when the distance absolute value falls into the first-level interval [0, 50) m, a third-level alarm prompt is generated.
In some embodiments, the primary alarm prompt is used for instructing a person on duty to observe the running state of the cable corresponding to the target three-dimensional coordinate; the secondary alarm prompt is used for indicating an attendant to observe the running state of the cable corresponding to the target three-dimensional coordinate and preparing a transversely moving cable at any time; and the three-level alarm prompt is used for indicating an attendant to immediately and transversely move the cable corresponding to the target three-dimensional coordinate.
The invention provides an online measurement and control management system for the state of an offshore three-dimensional seismic cable, which comprises:
the system comprises a data acquisition unit, a data processing unit and a navigation unit, wherein the data acquisition unit is used for acquiring respective real-time three-dimensional coordinates of all cable tail labels in the same sea area, each set of real-time three-dimensional coordinates comprises a data number corresponding to the cable tail label, and an original navigation database is established according to the data numbers in a sequencing mode;
the data calling unit is used for calling real-time three-dimensional coordinates mapped by every two adjacent data numbers in the navigation database and outputting an absolute value of the distance between the two real-time three-dimensional coordinates;
the data operation unit is used for determining an interval range in which the absolute value of the distance falls, generating alarm information according to the alarm level mapped by the interval range, and defining the two real-time three-dimensional coordinates triggering the generation of the alarm information as target three-dimensional coordinates;
and the cable operation state adjusting unit is used for adjusting the cable operation state according to the target three-dimensional coordinate.
In some embodiments, each cable tail marker is internally provided with a navigation system, and the real-time three-dimensional coordinates of each cable tail marker are acquired through satellite positioning.
In some embodiments, the absolute value of the distance is calculated by
|D|＝|D(i)-D(j)|
D (i) one real-time three-dimensional coordinate of the two adjacent data number mappings, and D (j) the other real-time three-dimensional coordinate of the two adjacent data number mappings.
In some embodiments, the range of intervals includes a primary interval [75, 100) m, a secondary interval [50, 75) m, and a tertiary interval [0, 50) m; when the distance absolute value falls into the first-level interval [75, 100) m, a first-level alarm prompt is generated, when the distance absolute value falls into the second-level interval [50, 75) m, a second-level alarm prompt is generated, and when the distance absolute value falls into the first-level interval [0, 50) m, a third-level alarm prompt is generated.
In some embodiments, the primary alarm prompt is used for instructing a person on duty to observe the running state of the cable corresponding to the target three-dimensional coordinate; the secondary alarm prompt is used for indicating an attendant to observe the running state of the cable corresponding to the target three-dimensional coordinate and preparing a transversely moving cable at any time; and the three-level alarm prompt is used for indicating an attendant to immediately and transversely move the cable corresponding to the target three-dimensional coordinate.
The invention has the beneficial effects that: the navigation system is arranged in each cable tail marker, the real-time three-dimensional coordinates of each cable tail marker are obtained through satellite positioning, the absolute distance between every two adjacent cable tail markers is calculated, and then corresponding warning prompts are generated according to the absolute distance, so that data acquisition of the seismic cable can be optimized, and the early warning efficiency is improved.
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FIG. 1 is a schematic flow chart of a method for online measurement and control management of a state of a marine three-dimensional seismic cable according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a marine three-dimensional seismic cable state online measurement and control management system disclosed in the second embodiment of the 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 some, not all, embodiments of the present invention. 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.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to a determination" or "in response to a detection". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
The embodiment of the invention discloses an on-line measurement and control management method and system for the state of an offshore three-dimensional seismic cable, which can optimize data acquisition of the seismic cable and improve early warning efficiency. The following are detailed below.
Example one
The embodiment provides an online measurement and control management method for the state of a marine three-dimensional seismic cable, which comprises the following steps as shown in fig. 1:
s1, acquiring respective real-time three-dimensional coordinates of all cable tail labels in the same sea area, wherein each set of real-time three-dimensional coordinates comprises a data number of the corresponding cable tail label, and sequencing and establishing an original navigation database according to the data numbers; and a navigation system is arranged in each cable tail mark, and the real-time three-dimensional coordinates of each cable tail mark are obtained through satellite positioning.
At S1, it should be understood that the sorting method of the data numbers is based on the actual position of the cable end labels, for example, two adjacent cable end labels are labeled as 1# and 2# respectively, and the cable end label adjacent to 2# but separated from 1# is labeled as 3 #.
S2, calling real-time three-dimensional coordinates mapped by every two adjacent data numbers in the navigation database, and outputting an absolute value of the distance between the two real-time three-dimensional coordinates;
in this embodiment, the absolute value of the distance is calculated by
|D|＝|D(i)-D(j)|
D (i) one real-time three-dimensional coordinate mapped by two adjacent data numbers, and D (j) the other real-time three-dimensional coordinate mapped by two adjacent data numbers.
For example, in S2, the first operation extracts the real-time three-dimensional coordinates of # 1 and # 2, respectively, and then calculates the absolute distance therebetween, the first operation extracts the real-time three-dimensional coordinates of # 2 and # 3, respectively, and then calculates the absolute distance therebetween, and so on.
S3, determining an interval range in which the absolute value of the distance falls, generating alarm information according to the alarm level mapped by the interval range, and defining two real-time three-dimensional coordinates triggering the generation of the alarm information as target three-dimensional coordinates;
in this embodiment, the range of intervals includes a primary interval [75, 100) m, a secondary interval [50, 75) m, and a tertiary interval [0, 50) m; and when the absolute value of the distance falls into a first-level interval [75, 100) m, generating a first-level alarm prompt, when the absolute value of the distance falls into a second-level interval [50, 75) m, generating a second-level alarm prompt, and when the absolute value of the distance falls into a third-level interval [0, 50) m, generating a third-level alarm prompt.
And S4, adjusting the cable operation state according to the target three-dimensional coordinates.
In this embodiment, the first-level alarm prompt is used to instruct the attendant to observe the running state of the cable corresponding to the target three-dimensional coordinate; the secondary alarm prompt is used for indicating an attendant to observe the running state of the cable corresponding to the target three-dimensional coordinate and preparing a transversely moving cable at any time; and the third-level alarm prompt is used for indicating the on-duty personnel to transversely move the cable corresponding to the target three-dimensional coordinate immediately.
In conclusion, the navigation system is arranged in each cable tail marker, the real-time three-dimensional coordinates of each cable tail marker are obtained through satellite positioning, the absolute distance between two adjacent cable tail markers is calculated, and then the corresponding alarm prompt is generated according to the absolute distance, so that the data acquisition of the seismic cable can be optimized, and the early warning efficiency is improved.
Example two
The embodiment provides an online measurement and control management system for a marine three-dimensional seismic cable state, as shown in fig. 2, including:
the system comprises a data acquisition unit, a data processing unit and a navigation unit, wherein the data acquisition unit is used for acquiring respective real-time three-dimensional coordinates of all cable tail labels in the same sea area, each set of real-time three-dimensional coordinates comprises a data number corresponding to the cable tail label, and an original navigation database is established according to the data numbers in a sequencing mode;
the data calling unit is used for calling real-time three-dimensional coordinates mapped by every two adjacent data numbers in the navigation database and outputting an absolute value of the distance between the two real-time three-dimensional coordinates;
the data operation unit is used for determining an interval range in which the absolute value of the interval falls, generating alarm information according to the alarm level mapped by the interval range, and defining two real-time three-dimensional coordinates triggering the generation of the alarm information as target three-dimensional coordinates;
and the cable operation state adjusting unit is used for adjusting the cable operation state according to the target three-dimensional coordinate.
And a navigation system is arranged in each cable tail mark, and the real-time three-dimensional coordinates of each cable tail mark are obtained through satellite positioning.
The absolute value of the distance is calculated by
|D|＝|D(i)-D(j)|
D (i) one real-time three-dimensional coordinate mapped by two adjacent data numbers, and D (j) the other real-time three-dimensional coordinate mapped by two adjacent data numbers.
The interval range comprises a first-level interval [75, 100) m, a second-level interval [50, 75) m and a third-level interval [0, 50) m;
and when the absolute value of the distance falls into a first-level interval [75, 100) m, generating a first-level alarm prompt, when the absolute value of the distance falls into a second-level interval [50, 75) m, generating a second-level alarm prompt, and when the absolute value of the distance falls into a third-level interval [0, 50) m, generating a third-level alarm prompt.
The first-level alarm prompt is used for indicating an attendant to observe the running state of the cable corresponding to the target three-dimensional coordinate; the secondary alarm prompt is used for indicating an attendant to observe the running state of the cable corresponding to the target three-dimensional coordinate and preparing a transversely moving cable at any time; and the third-level alarm prompt is used for indicating the on-duty personnel to transversely move the cable corresponding to the target three-dimensional coordinate immediately.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention accordingly, and not to limit the protection scope of the present invention accordingly. All equivalent changes or modifications made in accordance with the spirit of the present disclosure are intended to be covered by the scope of the present disclosure.
Claims (10)
1. An online measurement and control management method for a state of a marine three-dimensional seismic cable is characterized by comprising the following steps:
acquiring respective real-time three-dimensional coordinates of all cable tail labels in the same sea area, wherein each set of real-time three-dimensional coordinates comprises a data number corresponding to the cable tail label, and sequencing and establishing an original navigation database according to the data numbers;
calling real-time three-dimensional coordinates mapped by every two adjacent data numbers in the navigation database, and outputting an absolute value of a distance between the two real-time three-dimensional coordinates;
determining an interval range in which the absolute value of the interval falls, generating alarm information according to the alarm level mapped by the interval range, and defining the two real-time three-dimensional coordinates triggering the generation of the alarm information as target three-dimensional coordinates;
and adjusting the cable operation state according to the target three-dimensional coordinate.
2. The method for online measurement, control and management of states of a marine three-dimensional seismic cable according to claim 1, wherein a navigation system is built in each cable tail marker, and real-time three-dimensional coordinates of each cable tail marker are obtained through satellite positioning.
3. The method for on-line measurement and control management of state of offshore three-dimensional seismic cable according to claim 1, wherein the absolute value of the distance is calculated as | D | ═ D (i) -D (j) Y
D (i) one real-time three-dimensional coordinate of the two adjacent data number mappings, and D (j) the other real-time three-dimensional coordinate of the two adjacent data number mappings.
4. A marine three-dimensional seismic cable state online measurement and control management method according to claim 3, characterized in that the interval ranges include a primary interval [75, 100) m, a secondary interval [50, 75) m and a tertiary interval [0, 50) m;
when the distance absolute value falls into the first-level interval [75, 100) m, a first-level alarm prompt is generated, when the distance absolute value falls into the second-level interval [50, 75) m, a second-level alarm prompt is generated, and when the distance absolute value falls into the first-level interval [0, 50) m, a third-level alarm prompt is generated.
5. The on-line measurement and control management method for states of a marine three-dimensional seismic cable according to claim 4, characterized in that the primary alarm prompt is used for instructing an attendant to observe the running state of the cable corresponding to the target three-dimensional coordinate; the secondary alarm prompt is used for indicating an attendant to observe the running state of the cable corresponding to the target three-dimensional coordinate and preparing a transversely moving cable at any time; and the three-level alarm prompt is used for indicating an attendant to immediately and transversely move the cable corresponding to the target three-dimensional coordinate.
6. The on-line measurement and control management system for the state of the marine three-dimensional seismic cable is characterized by comprising the following components:
the system comprises a data acquisition unit, a data processing unit and a navigation unit, wherein the data acquisition unit is used for acquiring respective real-time three-dimensional coordinates of all cable tail labels in the same sea area, each set of real-time three-dimensional coordinates comprises a data number corresponding to the cable tail label, and an original navigation database is established according to the data numbers in a sequencing mode;
the data calling unit is used for calling real-time three-dimensional coordinates mapped by every two adjacent data numbers in the navigation database and outputting an absolute value of the distance between the two real-time three-dimensional coordinates;
the data operation unit is used for determining an interval range in which the absolute value of the distance falls, generating alarm information according to the alarm level mapped by the interval range, and defining the two real-time three-dimensional coordinates triggering the generation of the alarm information as target three-dimensional coordinates;
and the cable operation state adjusting unit is used for adjusting the cable operation state according to the target three-dimensional coordinate.
7. A marine three-dimensional seismic cable state online measurement, control and management method according to claim 6, characterized in that a navigation system is built in each cable tail marker, and real-time three-dimensional coordinates of each cable tail marker are obtained through satellite positioning.
8. The method for on-line measurement and control management of marine three-dimensional seismic cable state according to claim 6, wherein the method for calculating the absolute value of the distance is
|D|＝|D(i)-D(j)|
D (i) one real-time three-dimensional coordinate of the two adjacent data number mappings, and D (j) the other real-time three-dimensional coordinate of the two adjacent data number mappings.
9. An offshore three-dimensional seismic cable state online measurement and control management method according to claim 8, wherein the interval ranges include a primary interval [75, 100) m, a secondary interval [50, 75) m and a tertiary interval [0, 50) m;
when the distance absolute value falls into the first-level interval [75, 100) m, a first-level alarm prompt is generated, when the distance absolute value falls into the second-level interval [50, 75) m, a second-level alarm prompt is generated, and when the distance absolute value falls into the first-level interval [0, 50) m, a third-level alarm prompt is generated.
10. The offshore three-dimensional seismic cable state online measurement and control management method of claim 9, wherein the primary alarm prompt is used to instruct an attendant to observe the running state of the cable corresponding to the target three-dimensional coordinate; the secondary alarm prompt is used for indicating an attendant to observe the running state of the cable corresponding to the target three-dimensional coordinate and preparing a transversely moving cable at any time; and the three-level alarm prompt is used for indicating an attendant to immediately and transversely move the cable corresponding to the target three-dimensional coordinate.
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