CN209324340U - Slim-hole stratum testing sampler - Google Patents
Slim-hole stratum testing sampler Download PDFInfo
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- CN209324340U CN209324340U CN201822214801.4U CN201822214801U CN209324340U CN 209324340 U CN209324340 U CN 209324340U CN 201822214801 U CN201822214801 U CN 201822214801U CN 209324340 U CN209324340 U CN 209324340U
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Abstract
The utility model discloses a kind of slim-hole stratum testing samplers, it is characterized by: being mainly made of ground data acquisition system and downhole instrument, wherein ground data acquisition system by logging cable with downhole instrument mainly by multifunctional panel, formation testing power supply and acquisition panel, exchange programmable power supply, programmable high-voltage DC power supply, PI formation testing sampling software (PIWST-RCT), industrial personal computer, groups of printers at being connected；Downhole instrument is made of head harness, underground tension nipple, telemetering gamma instrument, electronics section, hydraulic pressure unit, Single probe pipe nipple, sampling unit, fluid analysis pipe nipple and pumping pipe nipple.Downhole instrument maximum outside diameter 92mm, can be applied to slim-hole operation；It once goes into the well to repeat and opens leg and receive leg, formation testing pressure and mud pressure is repeated several times；Formation fluid resistivity, density and specific retention can be monitored in real time in fluid analysis pipe nipple；Sampling unit, which connects pumping pipe nipple, can use PVT sample.
Description
Technical field
The utility model is a kind of slim-hole stratum testing sampler, is suitable for oil well logging industry.
Background technique
Existing stratum testing sampler working principle is mainly that hydraulic power part is entered by electric-motor pump offer hydraulic oil
Probe tip part carries out backup, forecast function by individual direct current generator drive prediction room piston it is mobile realize, it can be achieved that
Pressure measuring function and pump drainage function；Structure is mainly monolithic construction, and the design of diamond shape backup arm, instrument outer diameter is larger, is not suitable for
Hole deviation mutation, bulk stratum and slim-hole well；It is unable to real-time testing formation fluid resistivity and density；There is no independent sample storage
Pipe nipple cannot take PVT sample.
Summary of the invention
In order to overcome traditional formation tester outer diameter larger, the well in hole deviation mutation, bulk stratum cannot be used and be limited
The problems such as wellbore processed, overcomes similar product to be unable to real-time testing formation fluid resistivity and density, cannot take lacking for PVT sample
Point.The purpose of this product is to provide a kind of slim-hole stratum testing sampler (RCT-S), the cable formation testing for slim-hole
Sampler, maximum outside diameter 92mm.It can be used for the non-serviceable well of traditional cable formation tester, such as the well, swollen of hole deviation mutation
Loose ground layer and it is restricted wellbore etc..Slim-hole stratum testing sampler (RCT-S) once goes into the well to repeat and opens leg and receive leg, together
When, formation testing pressure and mud pressure can be repeated several times, can record the pressure curve of 10cc and 5cc.Quartz pressure sensor
It can provide fast, accurately pressure measurement, formation fluid resistivity, density and water holding can be monitored in real time in fluid analysis pipe nipple
Rate provides data for analysis formation fluid composition.The sample cylinder of not co-content can be connect: 600cc(2), 1 gallon and 2.75 plus
Logical sequence.Sampling unit, which connects pumping pipe nipple, can use PVT sample.
To achieve the above object, the utility model uses following technical scheme:
Slim-hole stratum testing sampler is mainly made of ground data acquisition system and downhole instrument, in which: ground number
According to acquisition system mainly by multifunctional panel (MFP), formation testing power supply and acquisition panel (FAP), exchange programmable power supply (CW-
1251P), it may be programmed high-voltage DC power supply (ITECH-IT6726VS), PI formation testing samples software (PIWST-RCT), industry control
Machine, groups of printers by logging cable with downhole instrument at being connected；
Downhole instrument is by head harness, underground tension nipple (DFG-R), telemetering gamma instrument (TGT-B), electronics section (RCT-S-
FC), hydraulic pressure unit (RCT-S-HU), Single probe pipe nipple (RCT-S-PS), sampling unit (RCT-S-SU), fluid analysis pipe nipple
(RCT-S-FA) it forms with pumping pipe nipple (RCT-S-PO), is connected between each pipe nipple by electrical connector.
Electronics section is mainly by power supply board, communication board, strain pressure sensor collection plate, control board of electromagnetic valve, temperature and electricity
Machine test the speed collection plate composition.Power supply board is powered to each circuit board, and control board of electromagnetic valve receives the control signal of communication board, control
Solenoid valve in hydraulic pressure unit (RCT-S-HU) and Single probe pipe nipple (RCT-S-PS)；Strain pressure sensor collection plate locality
It is laminated force signal and ground is transferred data to by communication board；Temperature and motor speed measuring collection plate acquisition stratum temperature signal and liquid
Motor speed signal in pressure unit (RCT-S-HU) transfers data to ground by communication board；In addition, communication board includes stone
The data of English sensor acquire and the data acquisition and transmission of transmission and differential pressure pick-up.
Hydraulic pressure unit is mainly by motor (MOTOR1), hydraulic pump one (PUMP1), solenoid valve one (SOL1), check valve one
(CV1), differential pressure pick-up one (PG1), check valve eight (CV8), hand-operated valve (ADV1), check valve two (CV2), solenoid valve two
(SOL2), safety valve two (RV2), accumulator (ACC1), safety valve one (RV1) and compensator one (COMP1) composition.
Single probe pipe nipple (RCT-S-PS) is mainly by check valve three (CV3), solenoid valve three (SOL3), differential pressure pick-up two
(PG2), safety valve three (RV3), solenoid valve eight (SOL8), sequence valve (SQ1), balanced valve (EQ1), check valve four (CV4), safety
Valve four (RV4), solenoid valve four (SOL4), solenoid valve five (SOL5), prediction room two (PRETEST2), prediction room one
(PRETEST1), solenoid valve six (SOL6), closing valve one (SV1), solenoid valve seven (SOL7), closing valve two (SV2), quartz sense
Device (QG1), strain transducer (SGP1) and probe assembly composition.
Sampling unit is mainly made of sampling electronic section and machinery of sampling part, wherein sampling electronic section mainly by
Power supply board, communication board and control board of electromagnetic valve composition；Mechanical part is by solenoid valve nine (SOL9), solenoid valve ten (SOL10), electromagnetism
Valve 11 (SOL11), solenoid valve 12 (SOL12), solenoid valve 13 (SOL13), solenoid valve 14 (SOL14), solenoid valve ten
Five (SOL15), pilot operated valve device one (HV1), closing valve three (SV3), closing valve four (SV4), pilot operated valve device two (HV2), sample storage cylinder one
(T1) it is formed with sample storage cylinder two (T2).
Control board of electromagnetic valve receives the control signal of communication board, the solenoid valve in control sampling unit (RCT-S-SU).
Fluid analysis pipe nipple (RCT-S-FA) is mainly by power supply board, communication board, resistivity sensor collection plate, tuning fork density
Sensor collection plate, specific retention sensor collection plate, resistivity sensor, tuning fork density sensor and specific retention sensor group
At；
Resistivity sensor collection plate acquisition resistivity sensor signal is sent to communication board, to detect formation fluid
Resistivity；Tuning fork density sensor collection plate acquisition tuning fork density sensor signal is sent to communication board, to detect ground laminar flow
The density of body；Specific retention sensor collection plate acquisition specific retention sensor signal is sent to communication board, to detect formation fluid
Water content.
Pumping pipe nipple (RCT-S-PO) is mainly made of pumping electronic section and pumping mechanical part, wherein pumping electronics
Part is by power supply board, communication board, differential pressure pick-up and potentiometer collection plate, DC MOTOR CONTROL plate, motor driving plate and electromagnetism
Valve control panel composition；Pumping mechanical part is mainly by motor (Mortor2), hydraulic pump two (PUMP2), safety valve five (RV5), poor
It is pressure sensor three (PG3), compensator two (COMP2), solenoid valve 16 (SOL16), unidirectional hydraulic control normally close valve one (NC1), unidirectional
Hydraulic control normally open valve one (NO1), unidirectional hydraulic control normally close valve two (NC2), unidirectional hydraulic control normally open valve two (NO2), check valve seven (CV7),
Safety valve six (RV6), solenoid valve 17 (SOL17), solenoid valve 18 (SOL18), mud reversal valve three (CVM3), mud commutation
Valve one (CVM1), mud reversal valve two (CVM2), mud reversal valve four (CVM4), pumping cylinder and potentiometer composition；
Differential pressure pick-up and potentiometer collection plate receive the control signal of communication board, control differential pressure pick-up three (PG3) and
Potentiometer；DC MOTOR CONTROL plate and motor driving plate receive the control signal of communication board, control motor (Mortor2)；Electromagnetism
Valve control panel receives communication board, control solenoid valve 16 (SOL16), solenoid valve 17 (SOL17) and solenoid valve 18
(SOL18).
The utility model has the beneficial effects that
1, diameter 92mm, can be used for the non-serviceable well of traditional cable formation tester, for example, hole deviation mutation well,
Bulk stratum and it is restricted wellbore etc.；
2, using modularized design, selection assembling operation can be carried out according to customer demand, it is easily operated, save cost；
It 3, can laminar flow over the ground using the higher resistivity sensor of precision, specific retention sensor and tuning fork density sensor
Body carries out Real Time Monitoring；
4, minor diameter design can be used for the non-serviceable well of traditional cable formation tester, such as the well, swollen of hole deviation mutation
Loose ground layer and it is restricted wellbore etc.；
5, other slim-hole formation testers are compared, sampling unit, fluid analysis pipe nipple and independent pumping pipe nipple are increased, it can
To take the PVT sample of high quality.
Detailed description of the invention
Fig. 1 is the utility model slim-hole stratum testing sampler system connection schematic diagram；
Fig. 2 is the utility model slim-hole stratum testing sampler electronics section functional block diagram；
Fig. 3 is the utility model slim-hole stratum testing sampler hydraulic pressure unit hydraulic schematic diagram；
Fig. 4 is the utility model slim-hole stratum testing sampler Single probe pipe nipple hydraulic schematic diagram；
Fig. 5 is the utility model slim-hole stratum testing sampler sampling unit electronic section functional block diagram；
Fig. 6 is the utility model slim-hole stratum testing sampler sampling unit mechanical part hydraulic schematic diagram；
Fig. 7 is the utility model slim-hole stratum testing sampler fluid analysis pipe nipple functional block diagram；
Fig. 8 is the utility model slim-hole stratum testing sampler pumping pipe nipple electronic section functional block diagram；
Fig. 9 is the utility model slim-hole stratum testing sampler pumping pipe nipple mechanical part hydraulic schematic diagram.
Specific embodiment
As shown in Figure 1, slim-hole stratum testing sampler (RCT-S) is mainly by ground data acquisition system and downhole instrument
Composition, in which:
Ground data acquisition system mainly by multifunctional panel (MFP) 1, formation testing power supply and acquisition panel (FAP) 2,
Exchange programmable power supply (CW-1251P) 3, programmable high-voltage DC power supply (ITECH-IT6726VS) 4, PI formation testing sampling are soft
Part (PIWST-RCT), industrial personal computer 5, printer 6 form, and are connected by logging cable with downhole instrument；
Downhole instrument is by head harness 7, underground tension nipple (DFG-R) 8, telemetering gamma instrument (TGT-B) 9, electronics section (RCT-
S-FC) 10, hydraulic pressure unit (RCT-S-HU) 11, Single probe pipe nipple (RCT-S-PS) 12, sampling unit (RCT-S-SU) 13, fluid
It analyzes pipe nipple (RCT-S-FA) 14 and pumping pipe nipple (RCT-S-PO) 15 forms, be connected between each pipe nipple by electrical connector.
Ground data acquisition system: exchange programmable power supply (CW-1251P) 3 and programmable high-voltage DC power supply (ITECH-IT6726VS) 4
It is connect respectively with multifunctional panel (MFP) 1, is the motor power supply in downhole instrument by the boosting of multifunctional panel (MFP) 1；It is more
Function panel (MFP) 1 is connect with formation testing power supply and acquisition panel (FAP) 2, passes through formation testing power supply and acquisition panel
(FAP) 2 acquisition data and progress distribution of cable core；Cable one end is connect with formation testing power supply and acquisition panel (FAP) 2；Industry control
Machine 5 and formation testing power supply and acquisition panel (FAP) 2 pass through PI formation testing sampling software (PIWST-RCT) in industrial personal computer 5
Transmitting order to lower levels；Industrial personal computer 5 is connect with printer 6, facilitates print data, curve graph etc..Ground data acquisition system passes through cable
It is connected with downhole instrument, powers for downhole instrument, issue control signal, receives, the number that processing downhole instrument is uploaded by cable
According to, and downhole instrument working condition is monitored in real time and shown, handle various measurement data etc..
The cable other end is connect with 7 upper end of head harness, and 7 lower end of head harness is connect with tension nipple (DFG-R) 8；Tension is short
Section 8 lower end (DFG-R) is connect with 9 upper end of telemetering gamma instrument (TGT-B)；9 lower end of telemetering gamma instrument (TGT-B) and electronics section
(RCT-S-FC) 10 upper ends connect；10 lower end of electronics section (RCT-S-FC) is connect with 11 upper end of hydraulic pressure unit (RCT-S-HU)；Liquid
Pressure 11 lower end unit (RCT-S-HU) is connect with 12 upper end of Single probe pipe nipple (RCT-S-PS)；Single probe pipe nipple (RCT-S-PS) 12
Lower end is connect with 13 upper end of sampling unit (RCT-S-SU)；13 lower end of sampling unit (RCT-S-SU) and fluid analysis pipe nipple
(RCT-S-FA) 14 upper ends connect；14 lower end of fluid analysis pipe nipple (RCT-S-FA) and 15 upper end pumping pipe nipple (RCT-S-PO) connect
It connects；Each pipe nipple docking electronic section is realized by electrical connector.
As shown in Fig. 2, electronics section (RCT-S-FC) 10 passes through telemetering gamma instrument (TGT-B) 12 and ground data acquisition system
It is communicated, electronics section (RCT-S-FC) 10 is the electricity of hydraulic pressure unit (RCT-S-HU) 11 and Single probe pipe nipple (RCT-S-PS) 12
Sub-line road.Electronics section (RCT-S-FC) 10 is mainly by power supply board 1001, communication board 1002, strain pressure sensor collection plate
1005, control board of electromagnetic valve 1004, temperature and motor speed measuring collection plate 1003 form.Power supply board 1001 is supplied to each circuit board
Electricity, control board of electromagnetic valve 1004 receive the control signal of communication board 1002, control hydraulic pressure unit (RCT-S-HU) 11 and Single probe
Solenoid valve in pipe nipple (RCT-S-PS) 12；Strain pressure sensor collection plate 1005 acquires strata pressure signal and passes through communication board
1002 transfer data to ground；Temperature and motor speed measuring collection plate 1003 acquire stratum temperature signal and hydraulic pressure unit (RCT-
S-HU) motor speed signal in 11 transfers data to ground by communication board 1002；In addition, communication board 1002 includes quartz
The acquisition of the data of sensor and differential pressure pick-up and transmission.
As shown in figure 3, hydraulic pressure unit (RCT-S-HU) 11 is mainly by motor (MOTOR1) 1101, hydraulic pump one (PUMP1)
1102, solenoid valve one (SOL1) 1103, check valve one (CV1) 1104, differential pressure pick-up one (PG1) 1105, check valve eight (CV8)
1106, hand-operated valve (ADV1) 1107, check valve two (CV2) 1108, solenoid valve two (SOL2) 1109, safety valve two (RV2) 1110,
Accumulator (ACC1) 1111, safety valve one (RV1) 1112 and compensator one (COMP1) 1113 form.
Motor (MOTOR1) 1101 and solenoid valve one (SOL1) 1103 receive formation testing power supply and acquisition panel (FAP)
After power supply and work order, motor (MOTOR1) 1101 drives hydraulic pump one (PUMP1) 1102 to work, solenoid valve one (SOL1)
1103 open, and 1102 output hydraulic pressure oil of hydraulic pump one (PUMP1) passes through check valve one (CV1) 1104 and solenoid valve one (SOL1)
1103 return to fuel tank, and until motor reaches the revolving speed of requirement, solenoid valve two (SOL2) 1109 is powered on, and hydraulic oil passes through check valve two
(CV2) 1110, into accumulator (ACC1) 1111, meanwhile, hydraulic oil enters the pipeline of all pump output terminals connection, with pressure
Increase, when pressure reaches 750psi, 1111 spring of hydraulic oil compression accumulator (ACC1), when spring-compressed on earth when, be
System pressure is rapidly increased to 3600psi, and pressure value is transferred to ground by differential pressure pick-up one (PG1) 1105.
When system power loss or transmission failure, needing to receive leg automatically, solenoid valve two (SOL2) 1109 opens (power-off), due to
1111 inner spring power of accumulator (ACC1) protects hydraulic oil into leg underground is received by solenoid valve two (SOL2) 1109
It demonstrate,proves instrument and receives leg.
As shown in figure 4, Single probe pipe nipple (RCT-S-PS) is mainly by check valve three (CV3) 1201, solenoid valve three (SOL3)
1202, differential pressure pick-up two (PG2) 1203, safety valve three (RV3) 1204, solenoid valve eight (SOL8) 1205, sequence valve (SQ1)
1206, balanced valve (EQ1) 1207, check valve four (CV4) 1208, safety valve four (RV4) 1209, solenoid valve four (SOL4) 1210,
Solenoid valve five (SOL5) 1211, prediction room two (PRETEST2) 1212, prediction room one (PRETEST1) 1213, solenoid valve six
(SOL6) 1214, closing valve one (SV1) 1215, solenoid valve seven (SOL7) 1216, closing valve two (SV2) 1217, quartz transducer
(QG1) 1218, strain transducer (SGP1) 1219 and probe assembly 1220 form.
Open leg-training energy: solenoid valve three (SOL3) 1202 is powered, and solenoid valve eight (SOL8) 1205 is powered, and hydraulic oil passes through unidirectional
Valve three (CV3) 1201, solenoid valve three (SOL3) 1202 enter balanced valve (EQ1) 1207 and probe assembly 1220, so that balanced valve
(EQ1) it 1207 closes, probe assembly 1220 opens leg, and when pressure reaches 2800psi ± 100psi, sequence valve (SQ1) 1206 is opened,
The probe filtering piston of probe assembly 1220 is opened, and when pressure reaches 3600psi, leg-training energy is opened in completion.Pressure is sensed by differential pressure
Device two (PG2) 1203 detects, and when system pressure reaches 4300psi, passes through 1204 pressure release of safety valve three (RV3), keeps system pressure
Power 3600psi.Meanwhile 1207 one end of balanced valve (EQ1) and 1220 each piston one end hydraulic oil of probe assembly pass through solenoid valve
Eight (SOL8) 1205 enter fuel tank.
Receive leg-training and can and close prediction room function: solenoid valve three (SOL3) 1202 powers off, and solenoid valve eight (SOL8) 1205 is disconnected
Electricity, hydraulic oil enter balanced valve (EQ1) 1027 by solenoid valve eight (SOL8) 1205, predict room two (PRETEST2) 1212, pre-
Room one (PRETEST1) 1213 and probe assembly 1220 are surveyed, balanced valve (EQ1) 1027 is opened, and probe assembly 1220 receives leg, if being
System pressure reaches 2800psi, and safety valve four (RV4) 1209 is opened, and hydraulic oil enters prediction room two (PRETEST2) 1212 and pre-
Room one (PRETEST1) 1213 is surveyed, prediction room, if power loss or transmission failure, slim-hole stratum testing sampler (RCT- are closed
S leg) is received by accumulator automatically.
Pressure measuring function: leg is opened when slim-hole stratum testing sampler (RCT-S) and is completed, solenoid valve four (SOL4) 1210 is logical
Electricity, prediction room two (PRETEST2) 1212 and prediction room one (PRETEST2) 1213 are opened, due to predicting room two (PRETEST2)
1212 is different with the prediction piston area of room one (PRETEST1) 1213, so prediction room one (PRETEST1) 1213 is first opened,
Prediction room two (PRETEST2) 1212, prediction room two (PRETEST2) 1212 and prediction room are opened when pressure reaches 1270psi
One (PRETEST1) 1213 other end hydraulic oil returns to fuel tank by check valve four (CV4) 1208, solenoid valve eight (SOL8) 1205,
It realizes and surveys pressure.
Closing valve opening and closing: closing valve one (SV1) 1215 and closing valve two (SV1) 1217 are the closings before surveying pressure.
Solenoid valve five (SOL5) 1211 is powered, and hydraulic oil enters closing valve one (SV1) 1215 and envelope by solenoid valve five (SOL5) 1211
Valve closing two (SV1) 1217 closes closing valve.If opening closing valve one (SV1) 1215, solenoid valve five (SOL5) 1211 is powered off, electricity
Magnet valve six (SOL6) 1214 is powered；If opening closing valve two (SV2) 1217, solenoid valve five (SOL5) 1211 is powered off, solenoid valve seven
(SOL7) it 1216 is powered.
As shown in Figure 5 and Figure 6,13 points of sampling unit (RCT-S-SU) are electronic section and mechanical part.Electronic section by
Power supply board 1321, communication board 1322 and control board of electromagnetic valve 1323 form.Mechanical part is by solenoid valve nine (SOL9) 1301, electromagnetism
Valve ten (SOL10) 1302, solenoid valve 11 (SOL11) 1303, solenoid valve 12 (SOL12) 1304, solenoid valve 13 (SOL13)
1305, solenoid valve 14 (SOL14) 1306, solenoid valve 15 (SOL15) 1307, pilot operated valve device one (HV1) 1308, closing valve three
(SV3) 1309, closing valve four (SV4) 1310, pilot operated valve device two (HV2) 1311, sample storage cylinder one (T1) 1312 and sample storage cylinder two (T2)
1313 compositions.
Power supply board 1321 is powered to each circuit board, and control board of electromagnetic valve 1323 receives the control signal of communication board 1322,
Control the solenoid valve in sampling unit (RCT-S-SU) 13.
When taking common sample, solenoid valve ten (SOL13) 1305 is powered, and solenoid valve nine (SOL9) 1301 powers off, pilot operated valve device one
(HV1) 1308 guarantee that mud channel disconnects.If sample storage cylinder one (T1) 1312 stores sample, closing valve three (SV3) 1309 must be beaten
It opens, solenoid valve 11 (SOL11) 1303 is powered.If sampler barrel sampling is completed, closing valve three (SV3) 1309, solenoid valve are closed
11 (SOL11) 1303 power-off, solenoid valve 12 (SOL12) 1304 are powered.If sample storage cylinder two (T2) 1313 stores sample, closing
Valve four (SV4) 1310 is switched on, and solenoid valve 13 (SOL13) 1305 is powered.If sampler barrel sampling is completed, closing valve is closed
Four (SV4) 1310, solenoid valve 13 (SOL13) 1305 power off, and solenoid valve 12 (SOL12) 1304 is powered.
When taking PVT sample, pumping pipe nipple (RCT-S-PO) 15 first extracts stratum liquid, solenoid valve 15 (SOL15) 1307
It is powered, pilot operated valve device two (HV2) 1311 is opened, and guarantees mud channel perforation.Pumping pipe nipple (RCT-S-PO) 15 works, and extracts stratum
Liquid enters wellbore by pilot operated valve device one (HV1) 1308.When fluid analysis pipe nipple (RCT-S-FA) 14 detects that stratum liquid is
It is required that quality after, take PVT sample, then solenoid valve nine (SOL9) 1301 be powered, solenoid valve ten (SOL13) 1305 power off, pilot operated valve device
One (HV1) 1308 commutation guarantees mud channel connection, and the stratum liquid that pumping pipe nipple (RCT-S-PO) 15 extracts enters sample storage cylinder
One (T1) 1312 or sample storage cylinder two (T2) 1313, and pressurize to sample storage cylinder one (T1) 1312 or 1313 sample of sample storage cylinder two (T2).
If sample storage cylinder one (T1) 1312 stores sample, closing valve three (SV3) 1309 is switched on, and solenoid valve 11 (SOL11) 1303 is logical
Electricity.If sampler barrel sampling is completed, closing valve three (SV3) 1309 is closed, solenoid valve 11 (SOL11) 1303 powers off, solenoid valve
12 (SOL12) 1304 are powered.If sample storage cylinder two (T2) 1313 stores sample, closing valve four (SV4) 1310 is switched on, electromagnetism
Valve 13 (SOL13) 1305 is powered.If sampler barrel sampling is completed, closing valve four (SV4) 1310, solenoid valve 13 are closed
(SOL13) 1305 power-off, solenoid valve 12 (SOL12) 1304 are powered.
As shown in fig. 7, fluid analysis pipe nipple (RCT-S-FA) 14 is sensed by power supply board 1401, communication board 1402, resistivity
Device collection plate 1403, tuning fork density sensor collection plate 1404, specific retention sensor collection plate 1405, resistivity sensor
1406, tuning fork density sensor 1407 and specific retention sensor 1408 form.
Power supply board 1401 is powered to each circuit board；Resistivity sensor collection plate 1403 acquires resistivity sensor 1406
Signal is sent to communication board 1402, to detect the resistivity of formation fluid；Tuning fork density sensor collection plate 1404 acquires sound
Fork 1407 signal of density sensor is sent to communication board 1402, to detect the density of formation fluid；The acquisition of specific retention sensor
Plate 1405 acquires 1408 signal of specific retention sensor and is sent to communication board 1402, to detect the water content of formation fluid.
As shown in Figure 8 and Figure 9,15 points of pumping pipe nipple (RCT-S-PO) are electronic section and mechanical part.Electronic section by
Power supply board 1501, communication board 1502, differential pressure pick-up and potentiometer collection plate 1503, DC MOTOR CONTROL plate 1504, motor drive
Movable plate 1505 and control board of electromagnetic valve 1506 form.Mechanical part is by motor (Mortor2) 1507, hydraulic pump two (PUMP2)
1508, safety valve five (RV5) 1509, differential pressure pick-up three (PG3) 1510, compensator two (COMP2) 1511, solenoid valve 16
(SOL16) 1512, one (NC1) 1513 of unidirectional hydraulic control normally close valve, one (NO1) 1514 of unidirectional hydraulic control normally open valve, unidirectional hydraulic control are normally closed
Valve two (NC2) 1515, two (NO2) 1516 of unidirectional hydraulic control normally open valve, check valve seven (CV7) 1517, safety valve six (RV6) 1518,
Solenoid valve 17 (SOL17) 1519, solenoid valve 18 (SOL18) 1520, mud reversal valve three (CVM3) 1521, mud reversal valve
One (CVM1) 1522, mud reversal valve two (CVM2) 1523, mud reversal valve four (CVM4) 1524, pumping cylinder 1525 and potentiometer
1526 compositions.
Power supply board 1501 is powered to each circuit board, and differential pressure pick-up and potentiometer collection plate 1503 receive communication board 1502
Control signal, control differential pressure pick-up three (PG3) 1510 and potentiometer 1526；DC MOTOR CONTROL plate 1504 and motor driven
Plate 1505 receives the control signal of communication board 1502, controls motor (Mortor2) 1507；Control board of electromagnetic valve 1506 receives communication
Plate 1502, control solenoid valve 16 (SOL16) 1512, solenoid valve 17 (SOL17) 1519 and solenoid valve 18 (SOL18)
1520。
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, slim-hole stratum testing sampler (RCT-S) is hydraulic
Working principle: starting motor (Mortor2) 1507 drives hydraulic pump two (PUMP2) 1508 to provide pressure, solenoid valve 16
(SOL16) 1512, solenoid valve 17 (SOL17) 1519 and (SOL18) 1520 of solenoid valve 18 are in default conditions, it may be assumed that solenoid valve
16 (SOL16) 1512 and solenoid valve 17 (SOL17) 1519 are closed, and solenoid valve 18 (SOL18) 1520 is opened, unidirectional hydraulic control
Normally open valve one (NO1) 1514 and two (NO2) 1516 of unidirectional hydraulic control normally open valve are opened, unidirectional 1513 He of hydraulic control normally close valve one (NC1)
Unidirectional two (NC2) 1515 of hydraulic control normally close valve is closed, and hydraulic oil enters 1525 right end of pumping cylinder (MR), 1525 left end of pumping cylinder (ML)
Hydraulic oil returns to fuel tank, and piston is moved to the left, meanwhile, hydraulic oil passes through check valve seven (CV7) 1517 and solenoid valve 18
(SOL18) 1520, into mud inversion valve module, mud reversal valve two (CVM2) 1523 and mud reversal valve three (CVM3) 1521
It opens, mud reversal valve one (CVM1) 1522 and mud reversal valve four (CVM4) 1524 are closed, and pumping formation fluid passes through mud
Reversal valve three (CVM3) 1521, into 1525 right end of pumping cylinder (HR), the stratum 1525 left end of pumping cylinder (HL) liquid passes through mud
Reversal valve two (CVM2) 1523 is discharged in the sample bucket of instrument or sampling unit 13.When potentiometer 1526 drives to certain distance,
The resistance value of potentiometer is a numerical value, using circuit control, realizes commutation.Solenoid valve 16 (SOL16) 1512 and solenoid valve ten
Seven (SOL17) 1519 are opened, and solenoid valve 18 (SOL18) 1520 is closed, unidirectional one (NO1) 1514 of hydraulic control normally open valve and unidirectional liquid
It controls normally open valve two (NO2) 1516 to close, two (NC2) 1515 of unidirectional one (NC1) 1513 of hydraulic control normally close valve and unidirectional hydraulic control normally close valve
It opens, hydraulic oil enters 1525 left end of pumping cylinder (ML), and 1525 right end of pumping cylinder (MR) hydraulic oil returns to fuel tank, and piston moves right
It is dynamic, meanwhile, hydraulic oil passes through check valve seven (CV7) 1517 and solenoid valve 17 (SOL17) 1519, into mud reversal valve mould
Block, mud reversal valve two (CVM2) 1523 and mud reversal valve three (CVM3) 1521 are closed, mud reversal valve one (CVM1) 1522
It is opened with mud reversal valve four (CVM4) 1524, pumping formation fluid enters pumping cylinder by mud reversal valve four (CVM4) 1524
1525 left ends (HL), 1525 right end of pumping cylinder (HR) stratum liquid are discharged instrument by mud reversal valve one (CVM1) 1522 or adopt
In the sample bucket of sample unit 13.
The control of pump drainage speed: adjusting the revolving speed of direct current generator, can control the pump drainage speed of 1525 inner piston of pumping cylinder,
The potentiometer 1526 connected using piston can monitor the movement speed of 1525 inner piston of pumping cylinder.Specific pump drainage speed needs
Adjust how much, determined according to the value of the formation pressure sensor of tester.
The above is the preferred embodiment of the utility model and its technical principle used, for the technology of this field
It is any to be based on technical solutions of the utility model base without departing substantially from the spirit and scope of the utility model for personnel
Equivalent transformation, simple replacement on plinth etc. obviously change, and belong within scope of protection of the utility model.
Claims (7)
1. slim-hole stratum testing sampler, it is characterised in that: mainly it is made of ground data acquisition system and downhole instrument,
In:
Ground data acquisition system is mainly by multifunctional panel (1), formation testing power supply and acquisition panel (2), exchange program-controlled electric
Source (3), programmable high-voltage DC power supply (4), PI formation testing sample software (PIWST-RCT), industrial personal computer (5), printer (6)
Composition, is connected by logging cable with downhole instrument；
Downhole instrument is by head harness (7), underground tension nipple (8), telemetering gamma instrument (9), electronics section (10), hydraulic pressure unit
(11), Single probe pipe nipple (12), sampling unit (13), fluid analysis pipe nipple (14) and pumping pipe nipple (15) composition, each pipe nipple it
Between be connected by electrical connector.
2. slim-hole stratum testing sampler according to claim 1, it is characterised in that electronics section (10) is mainly by powering
Plate (1001), communication board (1002), strain pressure sensor collection plate (1005), control board of electromagnetic valve (1004), temperature and electricity
Machine test the speed collection plate (1003) composition；Power supply board (1001) to communication board (1002), strain pressure sensor collection plate (1005),
Control board of electromagnetic valve (1004), temperature and motor speed measuring collection plate (1003) power supply, control board of electromagnetic valve (1004) receive communication
The control signal of plate (1002) controls the solenoid valve in hydraulic pressure unit (11) and Single probe pipe nipple (12)；Strain pressure sensor
Collection plate (1005) acquisition strata pressure signal transfers data to ground by communication board (1002)；Temperature and motor speed measuring are adopted
Motor speed signal in collection plate (1003) acquisition stratum temperature signal and hydraulic pressure unit (11) will be counted by communication board (1002)
According to being transferred to ground；Communication board (1002) includes the data acquisition of data acquisition and the transmission and differential pressure pick-up of quartz transducer
And transmission.
3. slim-hole stratum testing sampler according to claim 1, it is characterised in that hydraulic pressure unit (11) is mainly by electricity
It is machine (1101), hydraulic pump one (1102), solenoid valve one (1103), check valve one (1104), differential pressure pick-up one (1105), unidirectional
Valve eight (1106), hand-operated valve (1107), check valve two (1108), solenoid valve two (1109), safety valve two (1110), accumulator
(1111), safety valve one (1112) and compensator one (1113) composition.
4. slim-hole stratum testing sampler according to claim 1, it is characterised in that Single probe pipe nipple (12) mainly by
Check valve three (1201), solenoid valve three (1202), differential pressure pick-up two (1203), safety valve three (1204), solenoid valve eight
(1205), sequence valve (1206), balanced valve (1207), check valve four (1208), safety valve four (1209), solenoid valve four
(1210), solenoid valve five (1211), prediction room two (1212), prediction room one (1213), solenoid valve six (1214), closing valve one
(1215), solenoid valve seven (1216), closing valve two (1217), quartz transducer (1218), strain transducer (1219) and probe
Assembly (1220) composition.
5. slim-hole stratum testing sampler according to claim 1, it is characterised in that sampling unit (13) is mainly by adopting
Sample unit electronic section and sampling unit mechanical part composition, wherein sampling unit electronic section mainly by power supply board (1321),
Communication board (1322) and control board of electromagnetic valve (1323) composition；Sampling unit mechanical part is by solenoid valve nine (1301), solenoid valve
Ten (1302), solenoid valve 11 (1303), solenoid valve 12 (1304), solenoid valve 13 (1305), solenoid valve 14 (1306),
Solenoid valve 15 (1307), pilot operated valve device one (1308), closing valve three (1309), closing valve four (1310), pilot operated valve device two (1311),
Sample storage cylinder one (1312) and sample storage cylinder two (1313) composition；
Control board of electromagnetic valve (1323) receives the control signal of communication board (1322), the solenoid valve in control sampling unit (13).
6. slim-hole stratum testing sampler according to claim 1, it is characterised in that fluid analysis pipe nipple (14) is main
By power supply board (1401), communication board (1402), resistivity sensor collection plate (1403), tuning fork density sensor collection plate
(1404), specific retention sensor collection plate (1405), resistivity sensor (1406), tuning fork density sensor (1407) and water holding
Rate sensor (1408) composition；
Resistivity sensor collection plate (1403) acquisition resistivity sensor (1406) signal is sent to communication board (1402), thus
Detect the resistivity of formation fluid；Tuning fork density sensor collection plate (1404) acquires tuning fork density sensor (1407) signal hair
Communication board (1402) are given, to detect the density of formation fluid；Specific retention sensor collection plate (1405) acquires specific retention and passes
Sensor (1408) signal is sent to communication board (1402), to detect the water content of formation fluid.
7. slim-hole stratum testing sampler according to claim 1, it is characterised in that pumping pipe nipple (15) is mainly by pumping
Take out pipe nipple electronic section and pumping pipe nipple mechanical part composition, wherein pumping pipe nipple electronic section is by power supply board (1501), communication
Plate (1502), differential pressure pick-up and potentiometer collection plate (1503), DC MOTOR CONTROL plate (1504), motor driving plate (1505)
It is formed with control board of electromagnetic valve (1506)；Pumping pipe nipple mechanical part is mainly by motor (1507), hydraulic pump two (1508), safety
Valve five (1509), differential pressure pick-up three (1510), compensator two (1511), solenoid valve 16 (1512), unidirectional hydraulic control normally close valve
One (1513), unidirectional hydraulic control normally open valve one (1514), unidirectional hydraulic control normally close valve two (1515), unidirectional hydraulic control normally open valve two
(1516), check valve seven (1517), safety valve six (1518), solenoid valve 17 (1519), solenoid valve 18 (1520), mud change
To valve three (1521), mud reversal valve one (1522), mud reversal valve two (1523), mud reversal valve four (1524), pumping cylinder
(1525) it is formed with potentiometer (1526)；
Differential pressure pick-up and potentiometer collection plate (1503) receive the control signal of communication board (1502), control differential pressure pick-up three
(1510) and potentiometer (1526), DC MOTOR CONTROL plate (1504) and motor driving plate (1505) receive communication board (1502)
Signal is controlled, is controlled motor (1507), control board of electromagnetic valve (1506) receives communication board (1502), controls solenoid valve 16
(1512), solenoid valve 17 (1519) and solenoid valve 18 (1520).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822214801.4U CN209324340U (en) | 2018-12-27 | 2018-12-27 | Slim-hole stratum testing sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822214801.4U CN209324340U (en) | 2018-12-27 | 2018-12-27 | Slim-hole stratum testing sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209324340U true CN209324340U (en) | 2019-08-30 |
Family
ID=67729157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822214801.4U Active CN209324340U (en) | 2018-12-27 | 2018-12-27 | Slim-hole stratum testing sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209324340U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216940A (en) * | 2021-04-27 | 2021-08-06 | 中国平煤神马能源化工集团有限责任公司 | Multi-point rock stratum pore pressure testing method and system |
| CN115726778A (en) * | 2021-08-25 | 2023-03-03 | 中国石油天然气集团有限公司 | Device and method for extracting formation fluid and storing under pressure |
-
2018
- 2018-12-27 CN CN201822214801.4U patent/CN209324340U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216940A (en) * | 2021-04-27 | 2021-08-06 | 中国平煤神马能源化工集团有限责任公司 | Multi-point rock stratum pore pressure testing method and system |
| CN115726778A (en) * | 2021-08-25 | 2023-03-03 | 中国石油天然气集团有限公司 | Device and method for extracting formation fluid and storing under pressure |
| CN115726778B (en) * | 2021-08-25 | 2024-04-26 | 中国石油天然气集团有限公司 | Device and method for extracting formation fluid and maintaining pressure for storage |
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