CN206917651U - A kind of downhole annulus pressure test device - Google Patents
A kind of downhole annulus pressure test device Download PDFInfo
- Publication number
- CN206917651U CN206917651U CN201720762903.2U CN201720762903U CN206917651U CN 206917651 U CN206917651 U CN 206917651U CN 201720762903 U CN201720762903 U CN 201720762903U CN 206917651 U CN206917651 U CN 206917651U
- Authority
- CN
- China
- Prior art keywords
- pressure
- data
- drilling
- measurement
- pipe nipple
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model provides a kind of downhole annulus pressure test device, wherein described measurement while drilling pipe nipple is installed between drill bit and oil pipe, data storage device and data uploading device are provided with measurement while drilling pipe nipple, pressure sensor is installed on the outside of measurement while drilling pipe nipple, it is connected with data storage device, and pressure sensor signal is converted into power information；Power information is converted into digital information by ground receiving wastewater facility by the A D interface of interface box, is transmitted to data modeling system, data modeling system and is obtained pressure distribution information by calculating；Advantage is：Sensitivity in Pressure Sensors is high, gathered data accurately and reliably, according to the strong and weak real-time display of signal, accurately and reliably measure annular pressure data, in real time monitoring, real-time early warning mechanism；Accurately rupture positioning function, is advantageous to safety drilling, is advantageous to the drilling complexity accident such as pre- preventing sticking.
Description
Technical field
The utility model belongs to petroleum drilling engineering field, is a kind of detection device of oil exploration downhole annulus pressure.
Background technology
Annular pressure measurement-while-drilling system is the key of under balance pressure drilling and managed pressure drilling.Wherein, annular pressure with
It is based on PWD annular pressure tool systems to bore e measurement technology.In managed pressure drilling, shaft bottom annular pressure is surveyed with brill
Amount as one of the effective means for measuring shaft bottom annular pressure parameter in drilling process in real time, early in the 1990s mid-term just
Start to apply in drillng operation by land, in recent years, with the continuous development of external offshore exploration development activities, annular pressure work
Tool system is increasingly taken seriously, and needs a set of annular pressure made according to the principle of annular pressure measuring system to measure in a hurry
Device.
The content of the invention
The purpose of this utility model is to avoid the deficiencies in the prior art and provide a kind of down-hole pressure annular space detection means.
The technical solution of the utility model is：A kind of downhole annulus pressure test device, including aerial part and underground part
Point, wherein, under ground portion includes pressure sensor and measurement while drilling pipe nipple, and aerial part includes ground receiving wastewater facility and data are built
Modular system, measurement while drilling pipe nipple are installed between drill bit and oil pipe, and data storage device and data are provided with measurement while drilling pipe nipple
Device is uploaded, pressure sensor is installed on the outside of measurement while drilling pipe nipple, is connected with data storage device, and pressure sensor is believed
Number it is converted into power information；Power information is converted into digital information by ground receiving wastewater facility by the A D interface of interface box, is transmitted to number
According to modeling, data modeling system obtains pressure distribution information by calculating.
Data modeling system includes drilling fluid density generation unit, and cyclic pressure dissipation generation unit, mud flow rate generation are single
Member, pressure distribution information generating unit and pressure information output unit；According to the proportioning of drilling fluid and drilling fluid density formula certainly
The density of dynamic generation drilling fluid；According to the distribution situation that pressure can be calculated based on bottom pressure distribution formula；According to well depth
Flooding point is accurately determined with pressure distribution situation.
Between the measurement while drilling pipe nipple of under ground portion and the ground receiving wastewater facility of aerial part by wire transmission signal or
Person uses radio CDMA transmission signal.
Compared with prior art, have the advantages of the utility model：Sensitivity in Pressure Sensors is high, and gathered data accurately may be used
Lean on, annular pressure data can accurately and reliably be measured, it is ensured that the first step of the system is accurate according to the strong and weak real-time display of signal
It is really errorless；Monitoring in real time, real-time early warning mechanism：The present apparatus by monitoring well bottom surge pressure, to prevent transient pressure too high or
Person is too low to produce destruction to reservoir；Accurately rupture positioning function, is advantageous to safety drilling, is advantageous to the drilling wells such as pre- preventing sticking and answers
Miscellaneous affair event.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model.
In figure：1 is measurement while drilling pipe nipple, and 2 be pressure sensor, and 3 be ground receiving wastewater facility, and 4 be data modeling system.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
A kind of downhole annulus pressure test device, including aerial part and under ground portion, wherein, under ground portion includes pressure
Sensor 2 and measurement while drilling pipe nipple 1, aerial part include ground receiving wastewater facility 3 and data modeling 4, measurement while drilling pipe nipple 1
It is installed between drill bit and oil pipe, data storage device and data uploading device, pressure sensor is provided with measurement while drilling pipe nipple 1
2 are installed on the outside of measurement while drilling pipe nipple 1, are connected with data storage device, and the signal of pressure sensor 2 is converted into power information；
Power information is converted into digital information by ground receiving wastewater facility 3 by the A D interface of interface box, is transmitted to data modeling system 4, number
According to modeling 4 by calculating, pressure distribution information is obtained.
Data modeling system 4 includes drilling fluid density generation unit, and cyclic pressure dissipation generation unit, mud flow rate generation are single
Member, pressure distribution information generating unit and pressure information output unit；According to the proportioning of drilling fluid and drilling fluid density formula certainly
The density of dynamic generation drilling fluid；According to the distribution situation that pressure can be calculated based on bottom pressure distribution formula；According to well depth
Flooding point is accurately determined with pressure distribution situation.
Pass through wire transmission signal between the measurement while drilling pipe nipple 1 of under ground portion and the ground receiving wastewater facility 3 of aerial part
Or use radio CDMA transmission signal.
The first step：The selection of pressure sensor 2, it is necessary to select high sensitivity and sample stable sensor, through excessive
It is secondary compare we use inlet sensor.High sensitivity, strong interference immunity, and stabilization signal is good.
Second step：Measurement while drilling pipe nipple 1.Both can be deposited by the annular pressure data of collection and with other measurement data of brill
In the internal storage data in the short circuit with brill, the real time data of collection can also be passed to by system on well by mud, be easy to
Monitoring and prewarning monitoring system in real time.
3rd step：Ground receiving system.The mud signal in shaft bottom is mainly passed through pressure sensor 2 by ground receiving system
Power information is converted into, the AD collections so in by interface box, power information is converted into digital information, inputs computer model
System carries out bottom pressure modeling processing.
4th step：Data modeling.The system is advantageous in that powerful modeling, and modeling can be divided into：Bore
Well liquid density generation unit, cyclic pressure dissipation generation unit, mud flow rate generation unit, pressure distribution information generating unit and pressure
Force information output unit.The density of drilling fluid is automatically generated according to the proportioning of drilling fluid and drilling fluid density formula.According to based on
Bottom pressure distribution formula can calculate the distribution situation of pressure, if leakage, overflow/well kick phenomenon we can basis
Well depth and pressure distribution situation accurately determine flooding point, are easy to Field Force accurately to carry out leak stopping.
Claims (3)
1. a kind of downhole annulus pressure test device, including aerial part and under ground portion, wherein, under ground portion passes including pressure
Sensor（2）With measurement while drilling pipe nipple（1）, aerial part includes ground receiving wastewater facility（3）With data modeling（4）, its feature
It is：Measurement while drilling pipe nipple（1）It is installed between drill bit and oil pipe, measurement while drilling pipe nipple（1）It is interior be provided with data storage device and
Data uploading device, pressure sensor（2）It is installed on measurement while drilling pipe nipple（1）Outside, it is connected with data storage device, and will pressure
Force snesor（2）Signal is converted into power information；Ground receiving wastewater facility（3）Power information is converted into counting by the A D interface of interface box
Word information, transmit to data modeling system（4）, data modeling system（4）By calculating, pressure distribution information is obtained.
A kind of 2. downhole annulus pressure test device according to claim 1, wherein being characterised by：Data modeling system
（4）Including drilling fluid density generation unit, cyclic pressure dissipation generation unit, mud flow rate generation unit, the life of pressure distribution information
Into unit and pressure information output unit；The close of drilling fluid is automatically generated according to the proportioning of drilling fluid and drilling fluid density formula
Degree；According to the distribution situation that pressure can be calculated based on bottom pressure distribution formula；It is accurate according to well depth and pressure distribution situation
True determination flooding point.
A kind of 3. downhole annulus pressure test device according to claim 1, wherein being characterised by：Under ground portion with brill
Measure pipe nipple（1）With the ground receiving wastewater facility of aerial part（3）Between pass through wire transmission signal or using radio CDMA pass
Defeated signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720762903.2U CN206917651U (en) | 2017-06-28 | 2017-06-28 | A kind of downhole annulus pressure test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720762903.2U CN206917651U (en) | 2017-06-28 | 2017-06-28 | A kind of downhole annulus pressure test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206917651U true CN206917651U (en) | 2018-01-23 |
Family
ID=61323214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720762903.2U Active CN206917651U (en) | 2017-06-28 | 2017-06-28 | A kind of downhole annulus pressure test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206917651U (en) |
-
2017
- 2017-06-28 CN CN201720762903.2U patent/CN206917651U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102071926B (en) | Method and device for measuring full-hole annular pressure and method and device for controlling same | |
| CN102645288B (en) | Fast press-in type real-time deep underground water temperature monitoring device | |
| CN103061753A (en) | Device for measuring downhole flow while drilling and monitoring early overflow | |
| CN103726834B (en) | A kind of sustained casing pressure diagnosis device and method | |
| CN102587898B (en) | Method and device for detecting gas content of mixed fluid under while drilling condition | |
| CN103939089A (en) | Tracer, well drilling device comprising tracer and using method | |
| CN109798102A (en) | Engineering parameter measurement and risk monitoring and control system based on the interpolation Return Law | |
| CN111260216A (en) | Comprehensive evaluation and prevention method for seepage field of underground water-seal oil storage warehouse in operation period | |
| CN203463104U (en) | Drilling fluid leakage detection device for petroleum drilling | |
| CN106014392A (en) | Wireless parameter measurement-while-drilling device for well site | |
| CN204327076U (en) | Drilling fluid leakage comprehensive discrimination system | |
| CN105804724A (en) | Petroleum drilling supersonic liquid level monitoring device | |
| CN114622893A (en) | Underground leakage measurement-while-drilling device and method and leakage plugging system | |
| CN206397498U (en) | A kind of downhole drill gas detection logging test device | |
| CN201924850U (en) | Flow type underground leakage point detection device | |
| CN204457733U (en) | Gas drilling landwaste returns out monitoring system | |
| CN204253010U (en) | Drilling parameter monitoring system | |
| CN103528566A (en) | Detection method for directional drilling hole profile survey | |
| CN204591261U (en) | A kind of oil drilling ultrasonic liquid level monitoring device | |
| CN205477594U (en) | Along with boring inclinometer | |
| CN102748006B (en) | Underground work remote supervision system | |
| CN206220957U (en) | Gas spill and leakage position detecting device during controlled pressure drilling | |
| CN206917651U (en) | A kind of downhole annulus pressure test device | |
| CN102606136B (en) | Logging-while-drilling value response law simulated experimental device | |
| CN204511424U (en) | Non-contact type ultrasonic level monitoring system under a kind of oil well |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |