CN103883315A - Downhole and ground information transmission network system and method - Google Patents
Downhole and ground information transmission network system and method Download PDFInfo
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- CN103883315A CN103883315A CN201210563515.3A CN201210563515A CN103883315A CN 103883315 A CN103883315 A CN 103883315A CN 201210563515 A CN201210563515 A CN 201210563515A CN 103883315 A CN103883315 A CN 103883315A
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Abstract
The invention discloses a downhole and ground information transmission network system and method and belongs to the technical field of petroleum drilling. The network system comprises a downhole measuring node, a data conversion node, a data transmission node, a ground rotation node and a ground server. The downhole measuring node is used for measuring downhole information data. The data conversion node is used for converting measured information data into data signals in network transmission formats. The data transmission node is used for transmitting the data signals to a ground rotation short section through a cabled drill column. The ground rotation node is used for converting the data signals to the ground server. The ground server is used for processing the data signals to obtain command information and returning the command information to the ground rotation short section. The data signals adopt consistent network communication protocol. The downhole and ground information transmission network system has the advantages that a bidirectional high-speed communication network is achieved by transmitting downhole information to the ground through the cabled drill column, and high-speed data transmission can be achieved.
Description
Technical field
The present invention relates to petroleum drilling technology field, particularly a kind of down-hole and terrestrial information transfers net system and method.
Background technology
Along with the development of well logging during, guiding technique, well logging during method is enriched constantly, as the quantitative imaging well logging of acoustic logging, Orientation density neutron well logging, resistivity image well logging in real time, many investigation depths, the well logging of near-bit geological guiding and rotary steering well logging etc.Diversified well logging during, guiding technique provide abundant down-hole information for drilling well staff carries out Real-time Decision, analyze and judge just geology and the project situation at drilling strata, thereby in time adjust drilling direction, control best well track, realize expection drilling well object, and greatly save the drilling well working time, reduce the wastage.And adopting the transmission means such as mud-pulse transmission, electromagnetic transmission to be transferred to ground conventionally, the down-hole information that these obtain carries out for drilling well staff.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
The development of logging while drilling technology directly makes log data amount increase sharply, and the transmission means of traditional down-hole information will be subject to the impact of drilling depth, and its maximum transmission rate is less than tens bits, can not meet the requirement of Large Volume Data real-time Transmission far away.
Summary of the invention
In order to solve the problem of prior art, the embodiment of the present invention provides a kind of down-hole and terrestrial information transfers net system and method.Described technical scheme is as follows:
On the one hand, provide a kind of down-hole and terrestrial information transfers net system, described system comprises:
Underground survey node, for the information data under measuring well;
Data transformation node, for being transformed to the described information data measuring the data-signal of network transmission format;
Data transmission nodal, for by the data-signal of described network transmission format by there being cable drill string to be transferred to ground rotating short-knot;
Ground rotation node, for being transferred to ground-based server by the data-signal of described network transmission format;
Ground-based server, for the treatment of the data-signal of described network transmission format, obtains command information, and described command information is returned to described ground rotating short-knot; Also carry out two-way communication for Adoption Network communication protocol and described underground survey node, described data exchange node, described data transmission nodal, described ground rotation node;
Wherein, the data-signal of described network transmission format is the data-signal consistent with the network communication protocol adopting.
Described ground-based server, also for:
The information data of described down-hole and described command information are sent to other users all over the world by public information network or radio satellite or microwave mode.
Described underground survey node, comprising:
DHLWD pipe nipple, geosteering pipe nipple or rotary steering pipe nipple, in described DHLWD pipe nipple, geosteering pipe nipple or rotary steering pipe nipple, place separately sensor and central processor CPU, adopt sensor to record DHLWD information, geosteering information or rotary steering information, calculated the data message of down-hole by CPU according to described DHLWD information, geosteering information or rotary steering information.
Described data transmission nodal, specifically for:
By the data-signal of described network transmission format by there being cable drill string to be transferred in the process of ground rotating short-knot, if the data signal strength of described network transmission format decay, after being amplified, the data-signal of described network transmission format proceeds transmission, until be transferred to described ground rotating short-knot.
Described data transmission nodal, concrete Adoption Network communication protocol is by the data-signal of described network transmission format by there being cable drill string to be transferred to ground rotating short-knot, and described network communication protocol is token-ring network agreement or Ethernet protocol or Profi Bus DP bus protocol or CAN bus protocol.
On the other hand, provide a kind of down-hole and terrestrial information transmission method, described method comprises:
The information data of underground survey node measurement down-hole;
Data transformation node is transformed to the described information data measuring the data-signal of network transmission format;
Data transmission nodal by the data-signal of described network transmission format by there being cable drill string to be transferred to ground rotating short-knot;
By described ground rotating short-knot, the data-signal of described network transmission format is transferred to ground-based server;
Described ground-based server processing said data signal obtains command information, and described command information is returned to described ground rotating short-knot; Also carry out two-way communication for Adoption Network communication protocol and described underground survey node, described data exchange node, described data transmission nodal, described ground rotation node;
Wherein, the data-signal of described network transmission format is the data-signal consistent with the network communication protocol adopting.
Described ground-based server processing said data signal obtains command information, and described command information is returned to described ground rotating short-knot, also comprises:
The information data of described down-hole or described command information are sent to terrestrial user by public information network or radio satellite or microwave mode.
Information data under described measuring well, is specially:
In DHLWD pipe nipple, address guiding pipe nipple or rotary steering pipe nipple, place separately sensor and central processor CPU, adopt sensor to record DHLWD information, geologic parameter navigation information or rotary steering information, calculated the data message of down-hole by CPU according to described DHLWD information, geologic parameter navigation information or rotary steering information.
Described by the data-signal of described network transmission format by there being cable drill string to be transferred to ground rotating short-knot, comprising:
By the data-signal of described network transmission format by there being cable drill string to be transferred in the process of ground rotating short-knot, if the data signal strength of described network transmission format decay, after being amplified, the data-signal of described network transmission format proceeds transmission, until be transferred to described ground rotating short-knot.
Described by the data-signal of described network transmission format by there being cable drill string to be transferred to ground rotating short-knot, comprising:
Adoption Network communication protocol is by the data-signal of described network transmission format by there being cable drill string to be transferred to ground rotating short-knot, and described network communication protocol is token-ring network agreement or Ethernet protocol or Profi Bus DP bus protocol or CAN bus protocol.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
By the data-signal that is network transmission format by the down-hole information data transformation measuring, and by there being cable drill string to be transferred to ground rotating short-knot, send to ground-based server by ground rotating short-knot, after being processed by ground-based server, obtain command information, command information is returned to ground rotating short-knot, realize two-way communication network and carried out communication, can high speed real-time transmission data.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is down-hole and the terrestrial information transmission method flow chart that the embodiment of the present invention one provides;
Fig. 2 is down-hole and the terrestrial information transmission method flow chart that the embodiment of the present invention two provides;
Fig. 3 is down-hole and the terrestrial information transmit ascending data link flow chart that the embodiment of the present invention two provides;
Fig. 4 is down-hole and the terrestrial information transmitting downlink data link flow chart that the embodiment of the present invention two provides;
Fig. 5 is down-hole and the terrestrial information transmission system structural representation that the embodiment of the present invention three provides;
Fig. 6 is down-hole and the terrestrial information transmission real system structural representation that the embodiment of the present invention three provides;
Fig. 7 is down-hole and the terrestrial information transport communication procotol structural representation that the embodiment of the present invention three provides.
The specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment mono-
Referring to Fig. 1, the embodiment of the present invention provides a kind of down-hole and terrestrial information transmission method, and described method comprises:
The information data of underground survey node measurement down-hole;
Data transformation node is transformed to the information data measuring the data-signal of network transmission format;
Data transmission nodal by the data-signal of network transmission format by there being cable drill string to be transferred to ground rotating short-knot;
By ground rotating short-knot, the data-signal of network transmission format is transferred to ground-based server;
Ground-based server process data signal obtains command information, and command information is returned to ground rotating short-knot; Also carry out two-way communication for Adoption Network communication protocol and described underground survey node, described data exchange node, described data transmission nodal, described ground rotation node;
Wherein, the data-signal of network transmission format is the data-signal consistent with the network communication protocol adopting.
The embodiment of the present invention is by the data-signal that is network transmission format by the down-hole information data transformation measuring, and by there being cable drill string to be transferred to ground rotating short-knot, send to ground-based server by ground rotating short-knot, after being processed by ground-based server, obtain command information, command information is returned to ground rotating short-knot, realize two-way communication network and carried out communication, can high speed real-time transmission data.
Embodiment bis-
The embodiment of the present invention provides a kind of down-hole and terrestrial information transmission method, and referring to Fig. 2, method flow comprises:
201: the information data under measured node measuring well;
Particularly, the instrument of underground survey can comprise with well measurements pipe nipple, one or more in geosteering node and rotary steering node, the instrument of underground survey is as the node in information transmission network, sensor and central processor CPU are placed in inside in these downhole measurement tools, sensor can be temperature pick up, pressure sensor, deviation sensor, aspect sensor, resistivity sensor, gamma sensor, one or more in density of earth formations sensor sensor, use sensor to record various down-hole informations and (comprise downhole temperature, pressure, the engineering parameters such as hole deviation and resistivity, gamma, the geologic parameters such as degree of porosity), transfer to CPU to calculate, the functions such as coding, CPU also directly sends to ground-based server for receiving command information or the Adoption Network communication protocol that ground-based server sends by the down-hole information of measurement.
202: the data-signal that the information data measuring is transformed to network transmission format;
The information data being collected by various sensors is transmitted can directly send to information transmission network when consistent with the network communication protocol adopting in, if inconsistent, need to be transformed to the data-signal of the network transmission format consistent with the network communication protocol adopting, the node of the data transformation node of data-signal that the information data measuring is transformed to network transmission format in information transmission network, places CPU at data transformation intra-node.The network communication protocol that can adopt in the present invention comprises: token-ring network agreement or Ethernet protocol or ProfiB us DP bus protocol or CAN bus protocol.Data transformation node also directly Adoption Network communication protocol the data-signal of network transmission format is sent to ground-based server and receives the command information that ground-based server is sent.
203: by the data-signal of network transmission format by there being cable drill string to be transferred to ground rotating short-knot;
At the data-signal of network transmission format through having after cable drill string transmission certain distance, signal strength signal intensity will decay to some extent, after being amplified, the data-signal of described network transmission format proceeds transmission, after so repeated multiple times, data-signal is via there being cable drill string end to be transferred to ground rotating short-knot.The intra-node of amplified data signal also can be placed sensor and CPU, and for the geological condition of different well sections is measured, gained information sends in network after data conversion treatment, via there being cable drill string end to be transferred to ground rotating short-knot.The node of amplified data signal also directly Adoption Network communication protocol the data-signal of the network transmission format of amplification is sent to ground-based server and receives the command information that ground-based server is sent.
204: by ground rotating short-knot, the data-signal of network transmission format is transferred to ground-based server;
Particularly, ground rotating short-knot can adopt wired or wireless mode that the data-signal that has network transmission format in cable drill string is transferred to ground-based server, wireless mode be Adoption Network communication protocol directly and ground-based server two-way communication.Adopt ground rotating short-knot to realize the information transmission having between cable drill string and ground-based server, can, for multiple drilling mode, can drive compatible use with main flow drilling equipment top, save drilling time, reduce drilling failure.The data-signal of network transmission format is transferred to ground-based server by ground rotating short-knot, so far completes the transmission of data-signal up-link.
205: ground-based server is processed the data-signal of network transmission format, obtains command information, and command information is returned to ground rotating short-knot;
Ground-based server receives after the data-signal of ground rotating short-knot transmission, analyze data-signal through expert software, draw the command information of the drilling well decision scheme of real-time update, and command information is returned to ground rotating short-knot, adopt wired or wireless mode that command information has been returned to cable drill string by ground rotating short-knot, by there being cable drill string to send in the CPU of down-hole correspondence position, carry out real-time instruction drilling well, realize tracking and guidance to well track.So far whole system forms the information transmission network of a bidirectional high speed.Ground-based server is also for completing the formulation of network communication protocol, information errors verification, process control etc., according to network communication protocol standard, for the node of all measurements and deal with data in network system distributes unique network node address, there is unique differentiability, this network node address is stored in the hardware CPU of network node, in control system, communication mechanism between all nodes, realizes Bidirectional closed-loop data communication network.
206: command information is sent to terrestrial user by public information network or radio satellite or microwave mode.
Ground-based server can also pass to other users all over the world by public information network or radio satellite or microwave mode by the information data of the down-hole receiving or command information, realizes real time information and shares.
Particularly, referring to Fig. 3, take token-ring network agreement as example, up data link workflow is described, the method comprises:
301: all-network node powers on and prepares to start working;
302: ground-based server node sends authorization information, the working condition of other nodes of poll;
303: each node is beamed back confirmation successively;
304: ground-based server judges whether overtime, if overtime, return to step 302 and continue to send authorization information, the working condition of other nodes of poll; If not overtime, continue next step 305;
In this step, adopt the mode of ground-based server monitoring token can effectively find malfunctioning node, reduce fault effects.
305: ground-based server node sends network token, other nodes network program that brings into operation;
306: the node of obtaining network token is started working, send data according to the network communication protocol of agreement;
This step specifically comprises: the information data of underground survey node measurement down-hole, by data transformation node, the information data measuring is transformed to the data-signal of network transmission format, data-signal is the data message indicating with token frame, by there being cable drill string that the data-signal of network transmission format is transferred to ground rotating short-knot; By ground rotating short-knot, the data-signal of network transmission format is transferred to ground-based server.
307: ground-based server judges that whether token is overtime, if overtime, returns to step 305, if not overtime, continue next step 308;
308: each node finishes to send after data, discharges token simultaneously;
309: the data that other each nodes that ground-based server processing receives send, obtain command information, up data link work completes.
Referring to Fig. 4, take token-ring network agreement as example, downlink data link workflow is described, the method comprises:
401: ground-based server receives the data that other each nodes send, and obtains command information, and wrong processing scheme;
402: ground-based server is sent token and the data with destination node address, send to each node in network;
403: corresponding node receives data, beams back confirmation;
404: ground-based server judges whether overtime, if overtime, sending node error reporting, returns to step 402, if not overtime, continues next step 405;
405: ground-based server sending controling instruction, control the eliminating of other node work and fault;
406: each node is received command adapted thereto, carry out according to instruction, and return data, discharge token;
407: ground-based server judges that whether token is overtime, if overtime, sending node error reporting, returns to step 402, if overtime return step 401 is not proceeded data processing.
Uplink data and down link data proportion are cut apart or adaptive echo cancellation technology weakens the echo interference that transmitted in both directions causes.
The embodiment of the present invention is by by the data-signal of the down-hole information data manipulator transformat measuring, and by there being cable drill string to be transferred to ground rotating short-knot, send to ground-based server by ground rotating short-knot, after being processed by ground-based server, return to ground rotating short-knot, by there being the cable drill string can high speed transmission data, the transmission data of bidirectional high speed between down-hole information data and ground are realized, command information can also be passed to other users of ground by public information network or radio satellite or microwave mode, realize real time information and share.
Embodiment tri-
Referring to Fig. 5, the embodiment of the present invention provides a kind of down-hole and terrestrial information transfers net system, and this system comprises:
Data transmission nodal 503, for by the data-signal of network transmission format by there being cable drill string to be transferred to ground rotating short-knot;
Ground-based server 505, for the treatment of the data-signal of network transmission format, obtains command information, and command information is returned to ground rotating short-knot; Also carry out two-way communication for Adoption Network communication protocol and described underground survey node, described data exchange node, described data transmission nodal, described ground rotation node;
Wherein, the data-signal of network transmission format is the data-signal consistent with the network communication protocol adopting.
Particularly, referring to Fig. 6, be down-hole of the present invention and terrestrial information transfers net system structure chart, wherein ground system comprises: ground-based server 601, ground rotation node 602, ground-based server 601 and ground rotation node 602 can adopt wired or wireless mode to transmit data; Downhole system comprises:
Data transmission nodal 603, there is cable drill string 604, data transformation node 605, underground survey node 606, wherein, ground-based server 601 is mainly made up of hardware and software two parts, its hardware components mainly comprises data acquisition processing circuit, the data-signal of sending for receiving ground rotation node 602, software section comprises expert's interpretation software, expert's interpretation software completes the formulation of Data Transport Protocol, information errors verification, process control etc., and according to the standard of express network communication protocol, for all nodes in network system distribute unique network node address, there is unique differentiability, this network node address is stored in the hardware CPU of network node, communication mechanism between all nodes in control system, realize Bidirectional closed-loop data communication network.The survey data of down-hole passes to ground at a high speed, and the instruction on ground also can be passed to underground equipment rapidly, also can mutually transmit, receives and carry out instruction between underground equipment.Data transformation node 605 carries out data and is converted to the data-signal of network transmission format for the down-hole information that underground survey node 606 is measured; Data transmission nodal 603 when for data-signal, in the process that has cable drill string 604 transmission, decay appears in data-signal, amplifies.
As shown in Figure 7, wherein downhole data transit node is data transformation node to application high-speed intelligent network communication protocol network structure; Down-hole via node is data transmission nodal; Rotating short-knot node is ground rotation node.
In sum, the embodiment of the present invention is by the data-signal that is network transmission format by the down-hole information data transformation measuring, and by there being cable drill string to be transferred to ground rotating short-knot, send to ground-based server by ground rotating short-knot, after being processed by ground-based server, obtain command information, command information is returned to ground rotating short-knot, realized two-way communication network and carried out communication, can high speed real-time transmission data.
It should be noted that: the down-hole that above-described embodiment provides and terrestrial information transmission system are in transmission data constantly, only be illustrated with the division of above-mentioned each functional module, in practical application, can above-mentioned functions be distributed and completed by different functional modules as required, be divided into different functional modules by the internal construction of system, to complete all or part of function described above.In addition, the down-hole that above-described embodiment provides and terrestrial information transmission system and down-hole and terrestrial information transmission method embodiment belong to same design, and its specific implementation process refers to embodiment of the method, repeats no more here.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
One of ordinary skill in the art will appreciate that all or part of step that realizes above-described embodiment can complete by hardware, also can carry out the hardware that instruction is relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only storage, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. down-hole and a terrestrial information transfers net system, is characterized in that, comprising:
Underground survey node, for the information data under measuring well;
Data transformation node, for being transformed to the described information data measuring the data-signal of network transmission format;
Data transmission nodal, for by the data-signal of described network transmission format by there being cable drill string to be transferred to ground rotating short-knot;
Ground rotation node, for being transferred to ground-based server by the data-signal of described network transmission format;
Ground-based server, for the treatment of the data-signal of described network transmission format, obtains command information, and described command information is returned to described ground rotating short-knot; Also carry out two-way communication for Adoption Network communication protocol and described underground survey node, described data exchange node, described data transmission nodal, described ground rotation node;
Wherein, the data-signal of described network transmission format is the data-signal consistent with the network communication protocol adopting.
2. the system as claimed in claim 1, is characterized in that, described ground-based server, also for:
The information data of described down-hole or described command information are sent to other users all over the world by public information network or radio satellite or microwave mode.
3. the system as claimed in claim 1, is characterized in that, described underground survey node, comprising:
DHLWD pipe nipple, geosteering pipe nipple or rotary steering pipe nipple, in described DHLWD pipe nipple, geosteering pipe nipple or rotary steering pipe nipple, place separately sensor and central processor CPU, adopt sensor to record DHLWD information, geosteering information or rotary steering information, calculated the data message of down-hole by CPU according to described DHLWD information, geologic parameter navigation information or rotary steering information.
4. the system as claimed in claim 1, is characterized in that, described data transmission nodal, specifically for:
By the data-signal of described network transmission format by there being cable drill string to be transferred in the process of ground rotating short-knot, if the data signal strength of described network transmission format decay, after being amplified, the data-signal of described network transmission format proceeds transmission, until be transferred to described ground rotating short-knot.
5. system as claimed in claim 4, it is characterized in that, described data transmission nodal, concrete Adoption Network communication protocol is by the data-signal of described network transmission format by there being cable drill string to be transferred to described ground rotating short-knot, and described network communication protocol is token-ring network agreement or Ethernet protocol or Profi Bus DP bus protocol or CAN bus protocol.
6. down-hole and a terrestrial information transmission method, is characterized in that, described method comprises:
The information data of underground survey node measurement down-hole;
Data transformation node is transformed to the described information data measuring the data-signal of network transmission format;
Data transmission nodal by the data-signal of described network transmission format by there being cable drill string to be transferred to ground rotating short-knot;
By described ground rotating short-knot, the data-signal of described network transmission format is transferred to ground-based server;
Described ground-based server processing said data signal obtains command information, and described command information is returned to described ground rotating short-knot; Also carry out two-way communication for Adoption Network communication protocol and described underground survey node, described data exchange node, described data transmission nodal, described ground rotation node;
Wherein, the data-signal of described network transmission format is the data-signal consistent with the network communication protocol adopting.
7. method as claimed in claim 6, is characterized in that, described ground-based server processing said data signal obtains command information, and described command information is returned to described ground rotating short-knot, also comprises:
The information data of described down-hole or command information are sent to other users all over the world by public information network or radio satellite or microwave mode.
8. method as claimed in claim 6, is characterized in that, the information data under described measuring well, is specially:
In DHLWD pipe nipple, geosteering pipe nipple or rotary steering pipe nipple, place separately sensor and central processor CPU, adopt sensor to record DHLWD information, geologic parameter navigation information or rotary steering information, calculated the data message of down-hole by CPU according to described DHLWD information, geologic parameter navigation information or rotary steering information.
9. method as claimed in claim 6, is characterized in that, described by the data-signal of described network transmission format by there being cable drill string to be transferred to described ground rotating short-knot, comprising:
By the data-signal of described network transmission format by there being cable drill string to be transferred in the process of described ground rotating short-knot, if the data signal strength of described network transmission format decay, after being amplified, the data-signal of described network transmission format proceeds transmission, until be transferred to described ground rotating short-knot.
10. method as claimed in claim 9, is characterized in that, described by the data-signal of described network transmission format by there being cable drill string to be transferred to described ground rotating short-knot, comprising:
Adoption Network communication protocol is by the data-signal of described network transmission format by there being cable drill string to be transferred to described ground rotating short-knot, and described network communication protocol is token-ring network agreement or Ethernet protocol or Profi Bus DP bus protocol or CAN bus protocol.
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| CN105337830A (en) * | 2015-10-15 | 2016-02-17 | 中国石油天然气集团公司 | Data transmission network and data transmission method |
| CN105337830B (en) * | 2015-10-15 | 2019-06-11 | 中国石油天然气集团公司 | Data transmission network and data transmission method |
| CN107060735A (en) * | 2017-05-25 | 2017-08-18 | 中国石油天然气股份有限公司 | A kind of natural gas well data collecting system and method |
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