CN202393753U - Stratified fluid monitoring and sampling device base on pressure pulse - Google Patents
Stratified fluid monitoring and sampling device base on pressure pulse Download PDFInfo
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- CN202393753U CN202393753U CN201120405357XU CN201120405357U CN202393753U CN 202393753 U CN202393753 U CN 202393753U CN 201120405357X U CN201120405357X U CN 201120405357XU CN 201120405357 U CN201120405357 U CN 201120405357U CN 202393753 U CN202393753 U CN 202393753U
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Abstract
The utility model discloses a stratified fluid monitoring and sampling device base on pressure pulse. A sampling device arranged on the inner wall of a drilled well or a casing comprises a packer system, a liquid sampling system, a gas sampling system, automatic multi-way valves, a sampling system, a temperature control system and the like. A pressure vessel in a pressure pulse system combines with valves and a pressure sensor to form a pressure pulse system through a pipeline, and is connected with the underground gas sampling system through a gas automatic multi-way valve, the liquid sampling system is connected with a liquid automatic multi-way valve, and the gas sampling system is connected with the gas automatic multi-way valve. According to the stratified fluid monitoring and sampling device base on the pressure pulse, fluid states in the stratum are determined through the pressure pulse, sampling layer positions of the underground fluid are accurately controlled simultaneously, respective sampling of gas and liquid fluid at different layer positions under certain temperature and pressure conditions is achieved, and response rate of sampling is improved, particularly of the accurate sampling at a low flow velocity. The stratified fluid monitoring and sampling device base on the pressure pulse is simple in assembly, and suitable for state monitoring of a plurality of layers of fluid in the drilled well and sampling of underground gas-liquid two-phase liquid.
Description
Technical field
The utility model relates to sampling of deep formation inner fluid and monitoring field, more specifically relates to a kind of down-hole fidelity sampling and monitoring device, is suitable for the fidelity sampling of underground fluid.
Background technology
Underground fluid (comprising underground fluids such as oil, oil gas, underground water, gas reservoir, salt water, shallow seated groundwater) investigation work content comprises composition, concentration, distribution range and the status transmission in underground environment and the variation tendency of the characteristic of understanding underground fluid and geologic condition, fluid, and fluid potential hazard that people ' s health and living environment are brought.Monitoring is a very important technology in scientific research and the practical applications with sampling technique in underground fluid research.Each enterprise and research worker pay much attention to various fluid sampling technology, sampling technique has also been carried out research in depth, and developed multiple sampling appliance.
Various sampling techniques are arranged at present, mainly contain: Bailer ST, discontinuous interval ST, underground water sampling pump and direct the propelling descend water sampling with various types of STs such as exposed screen pack type ST, airtight screen pack type ST, Waterloo ST, U moldeed depth portion STs in situ.They respectively have characteristics; But generally speaking can not accurately control sampling rate, sampling amount; Can not guarantee fully that the temperature and pressure condition of taking a sample is consistent with sample; Can not know the monitoring of fluid properties under the definite state of underground fluid, particularly heterogeneous fluid status condition, for example: the gas-liquid two-phase state; Simultaneously can't satisfy the requirement of underground many stratum being carried out sampling; Under the heterogeneous low speed flow condition; Get into the inner Fluid Volume of boring and be not enough to satisfy under the ST minimum sample volume situation, how acutely the sampling down of disturbance underground current field condition can not have been satisfied the requirement of modern high accuracy analysis.
The underground fluid monitoring method generally adopts expensive geophysics and geochemical methods such as conventional pressure-temperature sensor monitoring, well logging, 3-D seismics, crosshole seismic, electromagnetic wave method; Polyphasic flow is monitored; Monitoring result is explained and is had multi-solution and uncertainty, generally needs multiple monitoring method to monitor jointly, and cooperative explain obtains the character of underground fluid; Cause the whole monitoring cost high like this, lack simple, direct analytical approach in the underground fluid monitoring method.
The applicant has applied for one (layering gas-liquid two-phase fluid high-fidelity sampling device in the well) on 03 16th, 2011; Number of patent application is 2011100063499.7; Its technical scheme is: layering gas-liquid two-phase fluid high-fidelity sampling device in a kind of well; It comprises: sampler is equipped with packer system, liquid sampling system, gas sampling system, automatic multiway valve, sampling system, temperature control system by packer system, liquid sampling system, gas sampling system, automatic multiway valve, sampling system, temperature control system at drilling well inwall or internal surface of sleeve pipe; The packer system comprises first packer, second packer, the 3rd packer, the 4th packer; The liquid sampling system comprises liquid sample introduction pipeline and liquid filter, and liquid sample introduction pipeline comprises ground floor sample introduction pipeline, second layer sample introduction pipeline, the 3rd layer of sample introduction pipeline; Ground floor sample introduction pipeline, second layer sample introduction pipeline, the 3rd layer of sample introduction pipeline are worn respectively to first packer, second packer and the 3rd packer bottom, and its end connects ground floor sample introduction filtrator, second layer sample introduction filtrator and the 3rd layer of sample introduction filtrator respectively; Gas sampling system air inclusion sample introduction pipeline and liquid filter, gas sampling pipeline comprise ground floor sample introduction pipeline, second layer sample introduction pipeline, the 3rd layer of sample introduction pipeline; Ground floor sample introduction pipeline, second layer sample introduction pipeline, the 3rd layer of sample introduction pipeline are worn respectively to first packer, second packer and the 3rd packer bottom, and its end connects ground floor sample introduction filtrator, second layer sample introduction filtrator and the 3rd layer of sample introduction filtrator respectively; Gas sampling system air inclusion sample introduction pipeline and gas filter, gas sampling pipeline comprise ground floor sample introduction pipeline, second layer sample introduction pipeline, the 3rd layer of sample introduction pipeline; Gas filter comprises ground floor sample introduction filtrator, second layer sample introduction filtrator, the 3rd layer of sample introduction filtrator; Ground floor sample introduction pipeline, second layer sample introduction pipeline, the 3rd layer of sample introduction pipeline are worn respectively to first packer, second packer and the 3rd packer bottom; Second stopple coupon links to each other with the 4th retaining valve, the 5th valve; First pressure/flow control tube links to each other with the 6th valve, the 3rd relay respectively; The 7th counterbalance valve links to each other with second stopple coupon, the 4th retaining valve through stopple coupon respectively with the 3rd relay, control multiway valve automatically and link to each other; Temperature control system comprises first heat-insulation layer, the second distributed temperature control element, the 3rd internal temperature sensor; The second distributed temperature control element is close to stopple coupon and pressure/flow control tube; The 3rd internal temperature sensor and stopple coupon and pressure/flow control tube are close to, and first heat-insulation layer wraps up the second distributed temperature control element, the 3rd internal temperature sensor and stopple coupon and pressure/flow control tube.This technical scheme is fit to the fidelity sampling of deep gas and liquid very much, but can not understand the state of underground heterogeneous fluid, in addition because the inner space of drilling well is very big; Be raised to several cubic metres up to hundreds of; And sampling amount generally has only number to be raised to tens of liters, too greatly then changes underground fluid and distributes, when this device hangs down state at the underground fluid flow velocity; The data value that the inner sampling of boring obtains lags behind and is on the low side; Can not reflect that true underground fluid composition changes, needing convection cell composition variation critical value to carry out high accuracy analysis especially is to satisfy the requirement of sampling.Under the low flow conditions, particularly under the low-down condition of gas saturation, when sampling part is big with respect to desirable gas appearance, the suitable gaseous sample that this sampler can't be got.
The application further improves on the basis of this technical scheme, when enabling to take a sample, carries out the state that the transient pulse method is monitored underground heterogeneous fluid, more states of understanding underground fluid more; Simultaneously through be created in pulse and the step-down process boring pressure inside fluctuation form boring inner with the stratum water body between exchange and mix; Change very by a small margin and among a small circle under fluid field and the fluid composition condition, obtain formation fluid sample more accurately.
In the modern project utilization to the precision of sampling and underground monitoring require increasingly high, the state of monitoring underground fluid when how to guarantee the high precision sampling? How to accomplish accurately to obtain underground sample? How truly is the resident fluid proterties under the flow conditions hanged down in reflection? This is the problem that monitoring device presses for solution.
Summary of the invention
The purpose of the utility model is to overcome the shortcoming and defect that prior art exists; Satisfy existing sampling requirement; Be to provide a kind of stratified fluid monitoring and sampler based on pressure pulse; Realize descending over the ground the monitoring of gas-liquid two-phase fluid, adopt the compression property of transient pulse method monitoring underground fluid and the penetration property on stratum, can analyze underground fluid fundamental property and the ratio of obtaining; This device directly, is simply understood the ratio of underground fluid and the proterties of qualitative analysis underground fluid, is effectively replenishing of other monitoring methods, and is obvious for the precision effect that improves the underground fluid analysis; And realize different layers position gas-liquid two-phase fluid precise sampling is accurately controlled temperature, pressure condition in sampling rate and the sampling process, sampling process with take a sample after can keep the pressure and temperature of temperature, pressure and underground fluid of sample more consistent.Adopt high capacity relaying container with respect to fidelity sample in the pipeline of U type ST bottom; This device increases big bottom volume; Increase the capacity of fidelity sample, reduce the ratio of the mixing in the flow process and step-down distortion in pipeline simultaneously, the sample that minimizing is taked contacts with other fluids; Utilize the inner and resident fluid exchange immixture of boring in pulse process and the pressure releasing process simultaneously, strengthened the representativeness of boring internal flow, the real more character of layer fluid corresponsively is particularly suitable for the sample analysis under the low flow conditions.This principle of device and simple in structure, assembling is simple, improves the fiduciary level and reduction cost of manufacture of system.The monitoring and the pressure tight sampling of the gas-liquid two-phase fluid on many stratum very compatibly.
In order to realize above-mentioned purpose, the utility model adopts following technical measures:
A kind of stratified fluid monitoring and sampler based on pressure pulse, it is made up of packer system, liquid sampling system, gas sampling system, automatic multiway valve, sampling system, temperature control system and external pressure/flow control part, transient pulse system jointly.The packer system comprises first packer, second packer, the 3rd packer, the 4th several packer such as packer (wait numeral and the like, five to 20), forms relatively independent sheaf space, eliminates or the weakening interlayer interference; The liquid sampling system comprises that ground floor sample introduction pipeline, second layer sample introduction pipeline, the 3rd layer of some sample introduction pipeline such as sample introduction pipeline (wait numeral; Four to 20), filtrator (quantity is identical with sample introduction pipeline quantity) comprises that ground floor sample introduction filtrator, second layer sample introduction filtrator, the 3rd layer of some sample introduction filtrator such as sample introduction filtrator (wait numeral; Three to 20), form independent sampling horizon; The gas sampling system comprises ground floor sample introduction pipeline, second layer sample introduction pipeline, the 3rd layer of some sample introduction pipeline such as sample introduction pipeline (wait numeral and the like, four to 20) for the gas sampling pipeline; First filtrator comprises ground floor sample introduction filtrator, second layer sample introduction filtrator, the 3rd layer of some sample introduction filtrator such as sample introduction filtrator (wait numeral and the like, four to 20), forms independent sampling horizon; Automatically control multiway valve, sampling system comprise first pressure/flow control tube, second sampling line, the 3rd relay; The 4th retaining valve, the 5th valve, the 6th valve, the 7th counterbalance valve; Temperature control system comprises first heat-insulation layer, the second distributed temperature control element, the 3rd internal temperature sensor; External pressure/flow control system (being normal pressure or flow-control equipment), exterior protection; The pressure pulse system comprises pressure vessel and forms through pipeline, a plurality of valve, pressure transducer; Exterior protection is general material.Packer system, liquid sampling system, gas sampling system, automatic multiway valve, sampling system, temperature control system, pressure pulse system are housed in drilling well inwall or sleeve pipe.The liquid sampling system passes the packer system and is connected with automatic multiway valve, and the multiway valve connection is connected with sampling system automatically, can carry out liquid sampling, and its method of attachment is as shown in Figure 1, the content in connected mode and effect of playing such as the practical implementation.
A kind of stratified fluid monitoring and sampler based on pressure pulse; It comprises: sampler is equipped with packer system, liquid sampling system, gas sampling system, automatic multiway valve, sampling system, temperature control system by packer system, liquid sampling system, gas sampling system, automatic multiway valve, sampling system, temperature control system, pressure pulse system at drilling well inwall or internal surface of sleeve pipe; The packer system comprises first packer, second packer, the 3rd packer, the 4th packer; The liquid sampling system comprises the liquid sample introduction pipe and first filtrator, and liquid sample introduction pipe comprises ground floor sample introduction pipe, second layer sample introduction pipe, the 3rd layer of sample introduction pipe; Ground floor sample introduction pipe, second layer sample introduction pipe, the 3rd layer of sample introduction pipe are worn respectively to first packer, second packer and the 3rd packer bottom; Its end connects filtrator, filtrator and filtrator respectively; The gas sampling system air inclusion sample introduction pipe and second filtrator, gas sampling pipe comprise ground floor sample introduction pipe, second layer sample introduction pipe, the 3rd layer of sample introduction pipe; Second filtrator comprises ground floor sample introduction filtrator, second layer sample introduction filtrator, the 3rd layer of sample introduction filtrator; Ground floor sample introduction pipe, second layer sample introduction pipe, the 3rd layer of sample introduction pipe are worn respectively to first packer, second packer and the 3rd packer bottom; Second stopple coupon links to each other with the 4th retaining valve, the 5th valve in the sampling system; First pressure/flow control tube links to each other with the 6th valve, the 3rd relay respectively; The 7th counterbalance valve links to each other with second stopple coupon, the 4th retaining valve respectively with the 3rd relay, control multiway valve automatically and link to each other; Temperature control system comprises first heat-insulation layer, the second distributed temperature control element, the 3rd internal temperature sensor; The second distributed temperature control element is close to stopple coupon and pressure/flow control tube; The 3rd internal temperature sensor and stopple coupon and pressure/flow control tube are close to; First heat-insulation layer wraps up the second distributed temperature control element, the 3rd internal temperature sensor and stopple coupon and pressure/flow control tube; It is characterized in that: pressure vessel forms the pressure pulse system through pipeline and valve, valve, pressure transducer in the pressure pulse system; And be connected with underground gas sampling system through automatic control multiway valve, the liquid sampling system is connected with the automatic multiway valve of liquid, and the gas sampling system is connected with the automatic multiway valve of gas.Described the 5th sampling hut links to each other with second stopple coupon, device outer wrap the 3rd heat-insulation layer after connecting.
Described the 3rd relay of sampling system comprises the first relaying slide block, second high pressure vessel, the 3rd heat-insulation layer, the 4th pressure/flow control chamber, the 5th sampling hut; It is inner that the first relaying slide block is positioned at second high pressure vessel; Separating second high pressure vessel is the 4th pressure/flow control chamber and the 5th sampling hut's two parts; The 4th pressure/flow control chamber links to each other with first pressure/flow control tube, and the 5th sampling hut links to each other with second stopple coupon, device outer wrap the 3rd heat-insulation layer after connecting.
Pressure vessel is connected to form the pressure pulse system through pipeline and valve, pressure transducer in the pressure pulse system, and is connected with the underground fluid sampling system through controlling multiway valve automatically.The packer system: the characteristics of packer system are that several (being generally four to 20 packers) packers are connected each other and formed packer (system), separate the stratum between the packer, form the sampling environment of relative closure.Modes of operation such as the seat envelope of packer (system), deblocking are identical with conventional packer.Difference is passed packer at liquid sample introduction pipeline and the gas sampling pipeline with the different layers position, forms the sample introduction to the different layers position.
Liquid sampling system and gas sampling system: each layer position has corresponding gas sampling pipeline and liquid sample introduction pipeline, thereby form the gas and the liquid of different layers position taken a sample; At each sample introduction BOP filtrator and filtrator are set, prevent that large granular impurity or suspension from getting into sampling system and sampling system reduces the work of elements such as control multiway valve, one-way cock, counterbalance valve automatically.
Automatically control multiway valve: controlling multiway valve automatically is many UNICOMs valve of circuit control; Product is standard industry product (market is purchased); For example: six-way valve, automatic eight leads to valves such as valves automatically, and it mainly act as the different sample introduction pipeline of control and docks with sampling line.Automatically the umbilical cable of control multiway valve adopts the cable of oil, gas industrial.
Automatically control multiway valve, liquid sample introduction pipeline, gas sampling pipeline are controlled the layer position of the layer position, gas-liquid fluid and the pressure pulse that get into the sampling system sample jointly; Reduced sampler simultaneously with upper pipeline quantity.
Sampling system: sampling system has adopted pressure/flow control pipeline, valve, relay, sampling line, retaining valve, valve and counterbalance valve.Valve partly is connected with external pressure/flow control, partly controls the work of relay through external pressure/flow control, form in the relay sample introduction with go out appearance.Retaining valve guarantees that sampling system can only unidirectional sample introduction.
The relaying slide block at relay middle part is divided into sampling hut and pressure/flow control chamber with high pressure vessel.Full of liquid or gas in pressure/flow control chamber, its density is lower than the density of taking fluid, and sampling system realizes pressure and flow control to the sampling hut through the external pressure/flow-control equipment that connects above that.Valve-off and counterbalance valve reduce pressure/flow control room pressure through external pressure/flow control system, and the relaying slide block is delivered to the sampling hut with pressure/flow control room pressure, and separate pressure/flow control chamber and sampling hut's two parts fluid.When sampling hut's pressure a little less than sampling during formation fluid pressure, the sampling hut begins sample introduction, the relaying slide block slides simultaneously, pressure/flow control chamber volume reduces; Open valve or counterbalance valve; Through external pressure/flow control system pressure boost/flow control room pressure or volume, pressure/flow control chamber expansion, the relaying slide block slides; The sampling hut begins appearance, and counterbalance valve guarantees the approximate pressure that perhaps is higher than underground fluid of outlet pressure simultaneously.Relay outer wrap heat-insulation layer is realized the maintenance of sample temperature to keep the temperature of sample.Relay also can adopt similar industrial products, and for example: Nantong flies the relay of space.
Temperature control system: temperature control system comprises temperature sensor (market standard product; As: conventional temperature sensor, fibre optic temperature sensor); Distributed temperature control element (as: distributed resistance silk, heating pipe line etc.), heat-insulation layer, external temperature control assembly and power supply are formed jointly; Make the temperature of sampling line and the temperature on sampling stratum be consistent through temperature control system, or remain predetermined temperature.Temperature control system keeps the temperature conditions of fluid.Temperature control system comprises temperature sensor, and distributed temperature control element, heat-insulation layer, external temperature control assembly and power supply are formed jointly, and its temperature control circuit system connected mode that connects reference standard connects.
External pressure/flow control system: (external pressure/flow control system is forcing pump, the volume pump of standard; If the employing pressure control can adopt high-precision constant pressure pump, like ISCO 1000D pump; Flow control can be adopted high-pressure metering pump) pipeline is connected with external pressure/flow-control equipment; Open valve, external pressure/flow control component can be constant flow pump, flow pump, volume pump, pressure source, can accurately control flow and pressure in the sampling hut of relay like this; Guarantee that in sample introduction and the sampling process, hydrodynamic pressure is similar to or is not less than the hydrodynamic pressure on sample introduction stratum.
External pressure/flow control system is connected with sampling system and forms complete sampling part, can accomplish the fluid sampling in the sampling hut that gets into the relaying container.
External pressure/flow control system associating temperature control system guarantees variation such as the segregation/desorb of dissolved matter in fluid phase change that sample can not cause because Pressure/Temperature changes or the fluid and causes the variation of properties of samples,
Exterior protection: if need protection device, the armor layer can be set outside whole device, protection inner member and heat-insulation layer.Armor can adopt the material such as plastics composite bed of common metal pipe, plastics, rubber, multilayer proofing, embedded woven wire.Method for making is with reference to the method for making of general device protective seam.
Underground fluid monitoring method based on pressure pulse:
In the pressure pulse test, after we need obtain to apply the transient pressure pulse, test section pressure changed and the fluid phase state variation relation in time.Can adopt trial value directly to contrast the basic condition of obtaining underground fluid, perhaps adopt calculating based on basic assumption.Reliable and practicable method of operating is the curve contrast, test findings and the pressure attenuation curve contrast of stratum under different gas phase saturation conditions, the gas-liquid fluid proportional that understanding that can be tentatively quantitative is underground.The expression formula that available on-the-spot transient pulse infiltration coefficient is measured [Li Xiaochun, Wang Ying, Wei Ning. transfiguration pressure pulse osmotic coefficient measurement method research [J]; Rock mechanics and engineering journal, 2008,27 (12): 2482～2487.Bredehoeft; J.D., Papadopulos, S.S.; A method for determining the hydraulic properties of tight formations [J]; Water Resources Research, 1980,16 (1): 233～238] calculate equivalent coefficient of permeability under the gas-liquid two-phase condition; Calculate according to the ratio of infiltration coefficient under the gas phase condition and the infiltration coefficient under the liquid-phase condition then, this method is preliminary solution:
K＝(kg*Sg/μg+kw*(1-Sg)/uw)*μw
The average infiltration coefficient that K converts and obtains for the transient pulse method, kg is the formation gas infiltration coefficient, and kw is the liquid infiltration coefficient, and Sg is a gas saturation, and μ g is a gas viscosity, μ w is a water body viscosity;
Because the pulse result receives influence of various factors, the rigorous solution computing method of impulse method remain further to be studied to deepen, and this method is the approximate solution method.
The method of application of fluid sampling device:
1, installs and debugs whole monitoring and sampler according to the utility model;
2, sampling part is opened and separated certain hour at interval with pulse monitoring operation, avoids influencing each other;
3, ST is connected external pressure/flow-control equipment, (for example: liquid state such as oil, water, its density need be lower than the density of sampling, preferably adopts N to charge into fluid in pressure/flow control chamber
2, He, low-density and chemical property inert gasses comparatively), sampling hut's volume of ST relaying container is adjusted into minimum.
4, according to the spacing between the packer of different layers position in the sampling zone thickness relation adjustment packer system; Adopt then oil, rock gas, departmental standard methods such as ore deposit sampler is put into boring; Notice in the lower packet process that sampling line and pressure/flow control pipeline twine problem; Preferably be fixed on oil pipe or above the wire hawser, and the set packer system.
5, the temperature of adjustment sampler is consistent with the temperature of sampling scope, and temperature control ± 0.2 degree scope is easy to reach; Side by side the pressure of layer fluid reaches stable.
6, adjustment is controlled automatically and is connected valve more, adjusts to sampling horizon and liquid sample introduction pipeline, thus the layer position and the fluid phase state of control sampling.
7, open ambient pressure/flow-control equipment, Open valve (perhaps reduce the controlled pressure of counterbalance valve, reduce pipeline inner pressure); Open valve; Impel the relaying slide block to slide through external pressure/flow-control equipment, CV expansion, pressure/flow control chamber volume reducing; Underground deep fluid gets into the sampling hut through retaining valve, makes sampling hut's sample introduction of relay.The pressure or the flow velocity of control external pressure/flow-control equipment, for example: control volume pump piston movement speed, fluid can not cause that pressure or temperature variation cause fluid properties to change owing to sample rate is too fast.
8, reach sample volume after; Open valve (is perhaps adjusted counterbalance valve; Guarantee when getting fluid sample the sampling line fluid pressure near or the hydrodynamic pressure of sampling horizon), open ambient pressure/flow-control equipment and promote that the relaying slide block slides in the relay, CV reduces and also goes out appearance.
9, after sampling finishes, repeat the 5-7 process, for guaranteeing the fidelity degree of sampling, it is best more than 2 times to take a sample with one deck position, for cleaning sampling system, is sample introduction for the second time for the first time.
10, after test finished, the deblocking packer system took out whole sampler.
Points for attention: before sampling, need repetition 5-7 process once, clean the inner impurity of sampler; Gas sample gathers and directly opens valve 81 behind the certain hour and connect STs and carry out gas sample for waiting for the sampling volume of giving vent to anger.
The method of application of impulse method monitoring part is following:
1, wait for the underground fluid balance, equilibration time depends on sampling amount and surrounding fluid buildup time, generally considers between 0.5 hour～several hours;
2, valve-off 82, Open valve 83, and being full of in the pressure vessel 84 does not have in the underground gas componant or influences less gas, like He, N
2Etc. chemical property inert gasses comparatively; Reach the pulse of setting, valve-off 83.
3, the adjustment gas sampling is controlled multiway valve 42 automatically, the layer position of monitoring down accordingly;
4, Open valve 82, carry out pulse to underground, write down the pulse delta data of pressure transducer 86 simultaneously.
5, treat that pressure attenuation steadily after, valve-off 82, end-of-pulsing.
6, behind the end-of-pulsing, Open valve 81 discharges the gas that pulse gets in the underground fluid, simultaneously can the extracting gases sample; Reduce the influence of pulse gas to the underground fluid system;
7, pressure attenuation curve and typical curve contrast, the preliminary underground gas-liquid ratio of quantitative test.
The gas sample part also can adopt following method:
Wait for the regular hour, gaseous fluid is after the gas sample mouth compiles to a certain degree in the stratum, and Open valve 81 carries out the step-down sampling.
The utlity model has advantage and good effect:
1, realize a sampler to monitoring of different layers bit stream body and sampling respectively, realization is obtained ratio, the fluid composition of gas-liquid two-phase fluid to the more comprehensive monitoring and the sampling of underground current system, real comprehensive true-guaranteeing monitoring of realizing the underground fluid state.
2, utilize the boring inside in pulse process and the pressure releasing process to exchange immixture simultaneously with resident fluid; The more character of having reacted resident fluid of boring internal flow more; Strengthened the representativeness of boring internal flow, the real more character of layer fluid corresponsively.Sampling to low flow conditions has very positive effect especially.
3, the impulse attenuation pressure curve is that the subsurface pressure demarcation provides the foundation, and the numerical value of time correction subsurface pressure sensor is realized more high-precision monitoring underground fluid pressure.
4, pulse gas can be used as the carrier gas of underground gas, obtains underground gas componant (deduct the carrier gas ratio behind the gas componant high accuracy analysis, obtain underground real gas component ratio), is particularly suitable for the sampling of low flow rate condition.
5, accurately control temperature, pressure condition in sampling rate and the sampling process, after sampling process and sampling, can keep the pressure and temperature of temperature, pressure and underground fluid of sample more consistent.
6, adopt the method for timesharing to make full use of various piece, reduced number of elements, particularly pressure/flow control pipeline and sampling line; Principle and simple in structure is assembled simply simultaneously, improves the fiduciary level of system and reduces cost of manufacture.
In a word, because the utility model ratio of performance to price is high, therefore can be widely used in the project of various site tests to underground complex fluid sample analysis.
Description of drawings
Fig. 1 is sampling and a fluid state monitoring device structural representation in a kind of well;
Fig. 2 is the temperature control system structural representation of interior sampling of a kind of well and fluid state monitoring device;
Fig. 3 is the sampling system structural representation of interior sampling of a kind of well and fluid state monitoring device;
Fig. 4 is the relay structural representation of interior sampling of a kind of well and fluid state monitoring device;
Fig. 5 is the gas and the liquid sampling system structural representation of interior sampling of a kind of well and fluid state monitoring device;
Fig. 6 is the packer system architecture synoptic diagram of interior sampling of a kind of well and fluid state monitoring device;
Fig. 7 is the pressure pulse system of interior sampling of a kind of well and fluid state monitoring device;
Fig. 8 is C well pressure pulse monitoring test result;
Fig. 9 is D well pressure pulse monitoring test result;
Figure 10 pressure pulse force value is demarcated the back test result;
Figure 11 adopts the result of N2 carrier gas post analysis;
Figure 12 adopts pulse and does not adopt the result of pulse to monitor the contrast synoptic diagram.
Wherein:
10-packer system (be the general designation of different layers position packer, comprise) with lower component
First packer of 11-; (specifically referring to method for making, market all can be purchased);
Second packer of 12-; (concrete model is seen method for making, and market all can be purchased)
The 3rd packer of 13-; (concrete model is seen method for making, and market all can be purchased)
The 4th packer of 14-; (concrete model is seen method for making, and market all can be purchased)
Numeral such as 15-and the like; (4-20)
20-liquid sampling system (being the general designation of liquid sample introduction pipeline 21 and filtrator 22)
21-liquid sample introduction pipeline (general designation of different layers liquid sample introduction pipeline comprises with lower component)
211-ground floor sample introduction pipeline;
212-second layer sample introduction pipeline;
The 3rd layer of sample introduction pipeline of 213-;
Numeral such as 214-and the like; (4-20)
22-filtrator (general designation of different layers sample introduction filtrator comprises with lower component)
221-ground floor sample introduction filtrator (concrete model is referring to method for making, and market all can be purchased);
222-second layer sample introduction filtrator; (concrete model is referring to method for making, and market all can be purchased)
The 3rd layer of sample introduction filtrator of 223-; (concrete model is referring to method for making, and market all can be purchased)
Numeral such as 224-and the like; (4-20)
30-gas sampling system (being the general designation of gas sampling pipeline 31 and filtrator 32)
31-gas sampling pipeline (general designation of different layers gas sampling pipeline comprises with lower component)
311-ground floor sample introduction pipeline;
312-second layer sample introduction pipeline;
The 3rd layer of sample introduction pipeline of 313-;
Numeral such as 314-and the like; (4-20)
32-filtrator (be the general designation of different layers sample introduction filtrator, comprise) with lower component
321-ground floor sample introduction filtrator (concrete model is referring to method for making, and market all can be purchased or any model)
322-second layer sample introduction filtrator (concrete model is referring to method for making, and market all can be purchased or any model)
The 3rd layer of sample introduction filtrator of 323-(concrete model is referring to method for making, and market all can be purchased or any model)
Numeral such as 324-and the like; (4-20)
40-controls multiway valve automatically;
41-liquid sample introduction is controlled multiway valve (market all can be purchased or any model) automatically;
The 42-gas sampling is controlled multiway valve (market all can be purchased or any model) automatically;
The 50-sampling system comprises with lower component;
51-pressure/flow control pipeline;
The 52-sampling line;
The 53-relay; (concrete model is referring to method for making);
531-relaying slide block;
532-high pressure vessel (concrete model is referring to method for making, and market all can be purchased);
The 533-heat-insulation layer;
534-pressure/flow control chamber;
The 535-sampling hut;
54-retaining valve (concrete model is referring to method for making, and market all can be purchased);
55-valve (concrete model is referring to method for making, and market all can be purchased);
56-valve (concrete model is referring to method for making, and market all can be purchased);
57-counterbalance valve (concrete model is referring to method for making, and market all can be purchased);
The 60-temperature control system; (be the general designation of temperature control element, comprise) with lower component
The 61-heat-insulation layer;
The distributed temperature control element of 62-(concrete model is referring to method for making, and market all can be purchased);
63-internal temperature sensor (concrete model is referring to method for making, and market all can be purchased);
70-drilling well or internal surface of sleeve pipe;
80-pressure pulse system;
81-valve (market all can be purchased or any model);
82-valve (market all can be purchased or any model);
83-valve (market all can be purchased or any model);
84-pressure vessel (market all can be purchased or any model);
85-pipeline (market all can be purchased or any model);
86-pressure transducer (market all can be purchased or any model).
Embodiment
Specify below in conjunction with accompanying drawing and embodiment:
Sampling and fluid state monitoring device in a kind of well; It comprises: sampler is equipped with packer system 10, liquid sampling system 20, gas sampling system 30, automatic multiway valve 40, sampling system 50, temperature control system 60 by packer system 10, liquid sampling system 20, gas sampling system 30, automatic multiway valve 40, sampling system 50, temperature control system 60, pressure pulse system 80 at drilling well inwall or internal surface of sleeve pipe 70; Packer system 10 comprises some packers such as first packer 11, second packer 12, the 3rd packer 13, the 4th packer 14 (numeral and the like, packer quantity can be 4-20) common composition; First packer 11, second packer 12, the 3rd packer 13, the 4th packer 14 can adopt standardized product; For example Y241 and Y341 packer; Connected mode between first packer 11, second packer 12, the 3rd packer 13, the 4th packer 14 is referring to oil, Gas Industry standard method, for example: the connected mode of Y241 multistage packing system and the multistage packing of Y341 system.Liquid sampling system 20 comprises the liquid sample introduction pipe 21 and first filtrator 22, and liquid sample introduction pipe 21 comprises ground floor sample introduction pipe 211, second layer sample introduction pipe 212, the 3rd layer of sample introduction pipe 213 (wait numeral and the like, comprise 4-20 at least); The filtrator 22 of liquid sampling system 20 comprises ground floor sample introduction filtrator 221, second layer sample introduction filtrator 222, the 3rd layer of some filtrator such as sample introduction filtrator 223 (numeral and the like, quantity can be 4-20); The liquid sample introduction pipeline of different layers passes corresponding packer respectively and gets into corresponding sampling horizon, and for example: second layer sample introduction pipe 212 passes first packer 11, second packer 12, water sampling between second packer 12 and the 3rd packer 13.The mode that ground floor sample introduction pipe 211, second layer sample introduction pipe 212, the 3rd layer of sample introduction pipe 213 connect ground floor sample introduction filtrator 221, second layer sample introduction filtrator 222, the 3rd layer of sample introduction filtrator 223 respectively can adopt modes such as welding, cutting ferrule connection, screw socket joint, can carry out with reference to conventional method.Ground floor sample introduction pipe 211, second layer sample introduction pipe 212, the 3rd layer of sample introduction pipe 213 are worn respectively to first packer 11, second packer 12 and the 3rd packer 13 bottoms; Its end connects filtrator 221, filtrator 222 and filtrator 223 respectively; The gas sampling system 30 air inclusion sample introduction pipes 31 and second filtrator 32; Gas sampling pipe 31 comprises ground floor sample introduction pipe 311, second layer sample introduction pipe 312, the 3rd layer of sample introduction pipe 313 (wait numeral and the like, comprise 4-20 at least); Filtrator 32 comprises ground floor sample introduction filtrator 321, second layer sample introduction filtrator 322, the 3rd layer of sample introduction filtrator 323 (wait numeral and the like, comprise 4-20 at least); The gas sampling pipeline of different layers passes corresponding packer respectively and gets into corresponding sampling horizon; For example: the 3rd layer of sample introduction pipeline 313 passes first packer 11, second packer 12, the 3rd packer 13; Be positioned on the 3rd packer 13 bottoms and the 4th packer 14, help getting the gas appearance in the specific stratum; Second filtrator 32 comprises ground floor sample introduction filtrator 321, second layer sample introduction filtrator 322, the 3rd layer of sample introduction filtrator 323; Ground floor sample introduction pipe 311, second layer sample introduction pipe 312, the 3rd layer of sample introduction pipe 313 are worn respectively to first packer 11, second packer 12 and the 3rd packer 13 bottoms; Second stopple coupon 52 links to each other with the 4th retaining valve 54, the 5th valve 55 in the sampling system 50; First pressure/flow control tube 51 links to each other with the 6th valve 56, the 3rd relay 53 respectively; The 7th counterbalance valve 57 links to each other with second stopple coupon 52, the 4th retaining valve 54 respectively with the 3rd relay 53, control multiway valve 41 automatically and link to each other; Temperature control system 60 comprises the distributed temperature control element of first heat-insulation layer 61, second 62, the 3rd internal temperature sensor 63; The second distributed temperature control element is close to stopple coupon 52 and pressure/flow control tube 51; The 3rd internal temperature sensor 63 is close to stopple coupon 52 and pressure/flow control tube (51); The distributed temperature control element of first heat-insulation layer 61 parcel second 62, the 3rd internal temperature sensor 63 and stopple coupon 52 and pressure/flow control tube 51; It is characterized in that: pressure vessel 84 forms the pressure pulse system through pipeline 85 and valve 83, valve 82, pressure transducer 86 in the pressure pulse system 80; And be connected with underground gas sampling system 30 through automatic control multiway valve 42, liquid sampling system 20 is connected with the automatic multiway valve 41 of liquid, and gas sampling system 30 is connected with the automatic multiway valve 42 of gas.
Described the 5th sampling hut 535 links to each other with second stopple coupon 52, device outer wrap the 3rd heat-insulation layer 533 after connecting.
Automatically control multiway valve 40 is the multiway valve of circuit control, and product is the standard industry product, and for example: six-way valve, automatic eight leads to valves such as valves automatically, and it mainly act as the different sample introduction pipeline of control and docks with retaining valve 54.Automatically the umbilical cable of control multiway valve adopts the cable of oil, gas industrial.
Temperature control system 60 comprises the distributed temperature control element of first heat-insulation layer 61, second 62, the 3rd internal temperature sensor 63; External pressure/flow control system, exterior protection are formed; Its annexation is: packer system 10 comprises that first packer 11, second packer 12, the 3rd packer 13, the 4th packer 14, the first packers 11, second packer 12, the 3rd packer 13, the 4th packer 14 adopt the multiple packer in oil, the Gas Industry to connect; Liquid sampling system 20 comprises the liquid sample introduction pipe 21 and first filtrator 22; Liquid sample introduction pipe 21 comprises liquid sample introduction pipe and comprises ground floor sample introduction pipeline 211, second layer sample introduction pipeline 212, the 3rd layer of sample introduction pipeline 213 (wait numeral and the like, comprise 4-20 at least); First filtrator 22 comprises ground floor sample introduction filtrator 221, second layer sample introduction filtrator 222, the 3rd layer of sample introduction filtrator 223 (wait numeral and the like); Ground floor sample introduction pipeline 211, second layer sample introduction pipeline 212, the 3rd layer of sample introduction pipeline 213 pass first packer 11, second packer 12, the 3rd packer 13 respectively; Multilayer sample introduction pipeline more, every layer of sample introduction pipeline be terminal to connect the first corresponding filtrator 22; The liquid sample introduction pipeline of different layers is worn respectively to the packer of correspondence and is got into corresponding sampling horizon, and every layer of sample introduction pipeline be terminal to connect corresponding ground floor sample introduction filtrator 221, second layer sample introduction filtrator 222, the 3rd layer of sample introduction filtrator 223.The gas sampling system 30 air inclusion sample introduction pipes 31 and second filtrator 32, gas sampling pipe 31 comprise ground floor sample introduction pipe 311, second layer sample introduction pipe 312, the 3rd layer of sample introduction pipe 313 (wait numeral and the like, comprise 4-20 at least); Second filtrator 32 comprises ground floor sample introduction filtrator 321, second layer sample introduction filtrator 322, the 3rd layer of sample introduction filtrator 323 (wait numeral and the like, for example: 4-20); Ground floor sample introduction pipe 311, second layer sample introduction pipe 312, the 3rd layer of sample introduction pipe 313 wear respectively to first packer 11, second packer 12 and the 3rd packer 13 bottoms, multilayer sample introduction pipeline more, every layer of terminal filtrator that connects of sample introduction pipeline; Every layer of sample introduction pipeline be terminal to connect corresponding ground floor sample introduction filtrator 321, second layer sample introduction filtrator 322, the 3rd layer of sample introduction filtrator 323, and the gas sampling pipeline of different layers passes corresponding packer respectively and gets into corresponding sampling horizon.All pipelines of liquid sampling system 20 and liquid are controlled multiway valve 41 automatically and are connected to form complete stratified fluid sample introduction part.Gas sampling system 30 controls multiway valve 42 automatically with gas and is connected to form complete zonal pressure pulse monitoring system and gas sample system.
The 3rd relay 53 comprises the first relaying slide block 531, second high pressure vessel 532, the 3rd heat-insulation layer 533, the 4th pressure/flow control chamber 534, the 5th sampling hut 535.The first relaying slide block 531, second high pressure vessel 532, the 4th pressure/flow control chamber 534, the 5th sampling hut 535 are arranged in the 3rd heat-insulation layer 533; The first relaying slide block 531 links to each other with second high pressure vessel 532, the 4th pressure/flow control chamber 534 respectively; The 4th pressure/flow control chamber 534 links to each other with first pressure/flow control tube 51; The first relaying slide block 531 links to each other with second high pressure vessel 532, the 5th sampling hut 535 respectively, and the 5th sampling hut 535 links to each other with second stopple coupon 52.Whole device is put into drilling well or internal surface of sleeve pipe 70.
One end of all pipelines of liquid sampling system 20 is all controlled multiway valve 41 automatically with liquid and is connected, and an other end passes packer system 10 respectively to corresponding layer position; For example: the second layer sample introduction pipeline 212 of liquid sampling system 20 passes first packer 11, second packer 12, water sampling between second packer 12 and the 3rd packer 13.The mode that the sample introduction pipeline passes packer can adopt modes such as welding, jointing, can carry out with reference to general technology and method.
One end of all pipelines of gas sampling system 30 is all controlled multiway valve 42 automatically with gas and is connected; For example: the 3rd layer of sample introduction pipeline 313 that gas carries out system 30 passes first packer 11, second packer 12, the 3rd packer 13, between the 3rd packer 13 and the 4th packer 14, gets gas appearance and carries out the pressure pulse test.The gas sampling system can be that content in 2011100063499.7 is provided with separately with reference to number of patent application also, and the sampling system among the application is partly carried out as pressure pulse.
Select corresponding sample introduction pipeline through automatic control multiway valve 41 and 42; Can realize sample introduction or pressure pulse are carried out in different layers position and different fluid type; For example: gas is controlled the second layer sample introduction pipeline 312 that multiway valve 42 is selected gas sampling system 30 automatically; Be communicated with retaining valve 54 and pipeline 312, then the sample through retaining valve 54 is the gaseous sample between second packer 12 and the 3rd packer 13.
Stratified fluid sample introduction part is connected on automatic control multiway valve 40 tops with the fidelity sampling part, thereby realizes the layering fidelity sampling.These unit constructions form layering gas-liquid two-phase fluid high-fidelity sampling device in the well.
1, sampler
1-1) the one-piece construction of sampler
Sampler is made up of packer 10, liquid sampling system 20, gas sampling system 30, automatic multiway valve 40, sampling system 50, temperature control system 60 and external pressure/flow control part jointly, and wherein all parts adopt the industrial standard product;
1-2) method for making
1. be underground high-temperature and high-pressure conditions of reply and corrosivity condition, materials such as 316/316L stainless steel, Hastelloy, two-sided alloy are adopted in all metal material suggestions; Encapsulant is to be generally good airproof performance, flexible material that resistance to corrosion is strong, for example: and teflon, modification nitrile rubber, fluororubber, PEEK material, reduce corrosion and the performance loss of whole device in underground long-term use.
2. the joint between installing, different system joint area adopt the cutting ferrule joint of standard or directly welding, and assurance device is in the reliability of underground long-term work.
3. pipeline adopts standard overlength steel pipe, and welding is adopted in the pipeline junction, in drilling well, does not preferably have joint.
4. each sub-systems of device is carried out with reference to following embodiment.
2, packer system 10
The characteristics of packer system 10 form the packer system for several packers, form the sampling environment of relative closure between the packer.Packer adopts the standardized product of oil sector, for example: the packer that Y241, Y341, Y411 etc. can connect more; Packer top is provided with pipeline hole latter connection simultaneously, and air feed liquid sample introduction pipeline passes packer.Modes such as the seat envelope of packer, deblocking are with traditional packer, and the type selecting of packer is with reference to the selection method of oil, Ministry of Geology and Mineral Resources's door.
3, gas carries out system 30 and liquid sampling system 20
Each layer position has corresponding gas sampling pipeline 31 and liquid sample introduction pipeline 21, thereby forms the sampling to the gas and the liquid of different layers position; At each sample introduction BOP filtrator 22 and filtrator 32 are set, prevent that large granular impurity or floccus from getting into sealing effectiveness and work that sampling part reduces valve element.
4, control multiway valve 40 automatically.
Automatically control multiway valve 40 is the multiway valve of circuit control; Adopt oil, rock gas, ore deposit industry standard product; For example: automatic high pressure six-way injection valve, high pressure electromagnetism six-way valve etc.; Also can on the standardized product basis, improve, improve the fiduciary level and the performance of its long-term work, it mainly act as, and arbitrary sample introduction pipeline docks with pipeline 52 and pipeline 85 in control different liquid sample introduction pipe system 21 and the gas sampling pipe system 31.Multiway valve 41 and 42 is for movable part needs extra high reliability, and product is selected to pay particular attention to.If the pipeline of gas sampling pipeline 31 and liquid sample introduction pipeline 21 is very many; Under this multiway valve, can adopt plural multiway valve SP stack (reference standard method of operating); The more sample introduction pipeline of transferring realizes that more sample introduction pipelines are connected on the retaining valve 54.Automatically control multiway valve 40 umbilical cable adopt oil, rock gas, the standard cable used of industries such as ore deposit.
5, sampling system 50
5-1) structure
The structure of sampling system 50 such as Fig. 3 have adopted pressure/flow control pipeline 51, valve 56, relay 53, sampling line 52, valve 55, counterbalance valve 57 and retaining valve 54.Valve 56 partly is connected with external pressure/flow control, partly controls the work of relay through external pressure/flow control, form in the relay 53 sample introduction with go out appearance.Retaining valve 54 assurance sampling part can only be taken a sample, and can not form influence to the sampling stratum.
5-2) method for making
1. be underground high-temperature and high-pressure conditions of reply and corrosivity condition, materials such as 316/316L stainless steel, two-sided alloy are adopted in all metal material suggestions; Encapsulant is the flexible material of good airproof performances such as ordinary rubber, plastics, for example: and teflon, tygon, rubber, silicon rubber, PEEK material, reduce the corrosion of whole device in underground long-term use.
When 2. processing this device, the different system joint area adopts cutting ferrule joint or directly welding, and assurance device is in the reliability of underground long-term work.
6, relay 53 (structure)
Relay can adopt standardized product, and its structure can adopt the structure like Fig. 4, and relaying slide block 531 is divided into two chambers with high pressure vessel 532, and one of them is that sampling hut 535, another one are pressure/flow control chamber 534.Full of liquid or gas in pressure/flow control chamber 534 are realized pressure and flow control to sampling hut 535 through the external pressure/flow-control equipment that connects above that.Relay outer wrap heat-insulation layer 533 is with the control temperature simultaneously; Relay also can adopt the standard industry product to reach similar action and performance.
7, temperature control system
A, structure
B, job operation
Distributed temperature control element 62 adopts distributed temperature control mode; The relative surface temperature of temperature on general stratum is higher, and main employing of temperature control heated, and heating element can adopt heating arrangements such as distributed resistance silk, water-bath pipeline; Heater block is conventional element, and the market is on sale.As if 62 refrigerations of distributed temperature control element, can adopt the temperature of controlled pressures such as water-bath pipeline/flow control pipeline 51 and sampling line 52 inner fluids.
Heat-insulation layer 61 adopts the rubber of low heat conductivity or plastics to constitute.
Temperature sensor 63 is close to pressure/flow control pipeline 51 and sampling line 52; Preferably be coated with heat conductive silica gel or other soft contact materials between sensor 63 and pressure/flow control pipeline 51 and the sampling line 52; The temperature of the perception of assurance temperature sensor is consistent with the fluid temperature (F.T.) in the pressure vessel; Temperature sensor can adopt FBG grating sensing, Fibre Optical Sensor, resistance sensor etc.; Recommend to use fiber-optical grating temperature sensor, can reduce corrosion risk, improve temperature control precision without cable, raising number of sensors.
Peripheral control unit carries out temperature adjustment, control method reference standard temperature control method according to the distributed temperature control element 62 of temperature sensor 63 Data Control.
The external temperature control assembly adopts standardized product, and for example: the Labview software control of temperature controller, NI and the logical operation+electrical heating of Texas Instrument or refrigerator provide heat energy or cold energy;
8, ST valve control section
9, external pressure/flow control part
10, link such as pipeline, cable
11, exterior protection
If need protection heat-insulation layer, the armor layer can be set, protection inner member and heat-insulation layer outside whole device.Armor can adopt general teflon, stainless steel material, compound substance to make.Method for making is with reference to the method for making of general device protective seam.
12, other attachment devices
Pressure and temp monitoring device, pressure and temperature monitoring device can be set and any position that needs concern, the utility model protection critical piece, and concrete pressure-temperature sensor can be set with specific requirement.This well-sampling and fluid inspection device can bundle with other equipment, for example: equipment collaboration work such as fiber-optic monitoring equipment, micro seismic monitoring, form underground monitoring and sampler jointly, the utility model does not relate to association area, does not give unnecessary details relevant apparatus here.
The pressure pulse monitoring of device and the concrete operations of sampling are with reference to the content of operation in the summary of the invention;
Case study on implementation
Tongliao, Inner Mongolia CO
2The salt water layer is sealed the fluid inspection that adopts two-layer pressure pulse in the testing ground and sampler up for safekeeping and underground water flow body is analyzed and is taken a sample, and it is all right to take a sample, the sampling depth 250-220m of lower floor; Last layer depth 160-120m carries out the pulse monitoring to the Yao Jia of lower floor group stratum, and the result is as shown in Figure 8; Along with gas entrainment arrives the monitor well position; Significant change has taken place in the pressure pulse data, through the nominal data contrast, can infer the ratio of underground gas and liquid; Adopt the single sampling water sample 3.2L of liquid sampling system in addition, the about 70L of other samples (mark condition) gets in the gas sample system.Water sample step-down analysis behind sampler of taking out, through the fluid situation under the software generted address condition, sampling result is good.Monitor the variation of underground gas saturation through pressure pulse, wherein monitor tangible saturation degree in the C well and change, as shown in Figure 8, be liquid in the D well, gas saturation is almost nil, and while D well does not take out gaseous sample, and is as shown in Figure 9.
The subsurface pressure sensor drift is relatively more severe, simultaneously because long-term corrosion causes drift to a certain extent; Because the pressure transducer on the face of land can be checked, pressure precision is higher relatively; Adopt transient pulse data scaling subsurface pressure sensor, obtain the higher pressure curve of precision, shown in Figure 10; In addition, underground gas content is not enough to satisfy the ST requirement in the partial wells, adopts N
2It is shown in figure 11 to carry out analytical gas composition result after the nebulizer gas pressure pulse.The corresponding speed that improves the pressure surge sampling concentration of back device is higher than the speed that does not adopt the pressure pulse sampling, sees Figure 12 for details, understands underground real fluid state more accurately.Can monitor different gas-liquid ratio, gas componant, the liquid components of underground fluid constantly through monitoring,, realize comprehensive monitoring the basic status of underground fluid in conjunction with the pressure and temp data of monitoring.
Claims (1)
1. the stratified fluid based on pressure pulse is monitored and sampler; It comprises: sampler is equipped with packer system (10), liquid sampling system (20), gas sampling system (30), automatic multiway valve (40), sampling system (50), temperature control system (60) by packer system (10), liquid sampling system (20), gas sampling system (30), automatic multiway valve (40), sampling system (50), temperature control system (60), pressure pulse system (80) at drilling well inwall or internal surface of sleeve pipe (70); Packer system (10) comprises first packer (11), second packer (12), the 3rd packer (13), the 4th packer (14); Liquid sampling system (20) comprises liquid sample introduction pipe (21) and first filtrator (22), and liquid sample introduction pipe (21) comprises ground floor sample introduction pipe (211), second layer sample introduction pipe (212), the 3rd layer of sample introduction pipe (213); Ground floor sample introduction pipe (211), second layer sample introduction pipe (212), the 3rd layer of sample introduction pipe (213) are worn respectively to first packer (11), second packer (12) and the 3rd packer (13) bottom; Its end connects filtrator (221), filtrator (222) and filtrator (223) respectively; Gas sampling system (30) air inclusion sample introduction pipe (31) and second filtrator (32), gas sampling pipe (31) comprise ground floor sample introduction pipe (311), second layer sample introduction pipe (312), the 3rd layer of sample introduction pipe (313); Second filtrator (32) comprises ground floor sample introduction filtrator (321), second layer sample introduction filtrator (322), the 3rd layer of sample introduction filtrator (323); Ground floor sample introduction pipe (311), second layer sample introduction pipe (312), the 3rd layer of sample introduction pipe (313) are worn respectively to first packer (11), second packer (12) and the 3rd packer (13) bottom; Second stopple coupon (52) links to each other with the 4th retaining valve (54), the 5th valve (55) in the sampling system (50); First pressure/flow control tube (51) links to each other with the 6th valve (56), the 3rd relay (53) respectively; The 7th counterbalance valve (57) links to each other with second stopple coupon (52), the 4th retaining valve (54) respectively with the 3rd relay (53), control multiway valve (41) automatically and link to each other; Temperature control system (60) comprises first heat-insulation layer (61), the second distributed temperature control element (62), the 3rd internal temperature sensor (63); The second distributed temperature control element is close to stopple coupon (52) and pressure/flow control tube (51); The 3rd internal temperature sensor (63) is close to stopple coupon (52) and pressure/flow control tube (51); First heat-insulation layer (61) the parcel second distributed temperature control element (62), the 3rd internal temperature sensor (63) and stopple coupon (52) and pressure/flow control tube (51); It is characterized in that: pressure vessel (84) forms the pressure pulse system through pipeline (85) and valve (83), valve (82), pressure transducer (86) in the pressure pulse system (80); And be connected with underground gas sampling system (30) through automatic control multiway valve (42); Liquid sampling system (20) is connected with the automatic multiway valve of liquid (41), and gas sampling system (30) is connected with the automatic multiway valve of gas (42).
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| CN201120405357XU CN202393753U (en) | 2011-10-21 | 2011-10-21 | Stratified fluid monitoring and sampling device base on pressure pulse |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102505939A (en) * | 2011-10-21 | 2012-06-20 | 中国科学院武汉岩土力学研究所 | Stratified fluid monitoring and sampling device based on pressure pulse |
| CN103174414A (en) * | 2013-03-26 | 2013-06-26 | 中国地质调查局水文地质环境地质调查中心 | Sampling device for well-inside in-situ fluid in deep well |
| CN103712834A (en) * | 2014-01-02 | 2014-04-09 | 中国科学院武汉岩土力学研究所 | Indoor truth-preserving sampling, sample storage and analysis device and method based on deep well sampling |
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| CN108507839A (en) * | 2018-05-25 | 2018-09-07 | 安徽工业大学 | sedimentation furnace constant temperature sampling method |
| CN108732326A (en) * | 2018-05-22 | 2018-11-02 | 中科鼎实环境工程股份有限公司 | The water quality monitoring equipment of body of groundwater is not disturbed |
| CN112012734A (en) * | 2020-08-27 | 2020-12-01 | 中国科学院武汉岩土力学研究所 | Underground fluid sampling device based on one-hole multilayer link structure |
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| CN102505939A (en) * | 2011-10-21 | 2012-06-20 | 中国科学院武汉岩土力学研究所 | Stratified fluid monitoring and sampling device based on pressure pulse |
| CN102505939B (en) * | 2011-10-21 | 2015-04-22 | 中国科学院武汉岩土力学研究所 | Stratified fluid monitoring and sampling device based on pressure pulse |
| CN103174414B (en) * | 2013-03-26 | 2016-07-13 | 中国地质调查局水文地质环境地质调查中心 | Original position fluid sampling apparatus in a kind of deep-well well |
| CN103174414A (en) * | 2013-03-26 | 2013-06-26 | 中国地质调查局水文地质环境地质调查中心 | Sampling device for well-inside in-situ fluid in deep well |
| CN103712834A (en) * | 2014-01-02 | 2014-04-09 | 中国科学院武汉岩土力学研究所 | Indoor truth-preserving sampling, sample storage and analysis device and method based on deep well sampling |
| CN104132831A (en) * | 2014-07-31 | 2014-11-05 | 中国环境科学研究院 | Adjustable constant speed sampling system |
| CN104132831B (en) * | 2014-07-31 | 2016-05-04 | 中国环境科学研究院 | Adjustable isokinetic sampling's system |
| CN108732326A (en) * | 2018-05-22 | 2018-11-02 | 中科鼎实环境工程股份有限公司 | The water quality monitoring equipment of body of groundwater is not disturbed |
| CN108507839A (en) * | 2018-05-25 | 2018-09-07 | 安徽工业大学 | sedimentation furnace constant temperature sampling method |
| CN108507839B (en) * | 2018-05-25 | 2020-07-24 | 安徽工业大学 | Constant-temperature sampling method for settling furnace |
| CN112012734A (en) * | 2020-08-27 | 2020-12-01 | 中国科学院武汉岩土力学研究所 | Underground fluid sampling device based on one-hole multilayer link structure |
| CN112903938A (en) * | 2021-01-20 | 2021-06-04 | 付小龙 | Underground water, ground and air integrated environment monitoring tower |
| CN112903938B (en) * | 2021-01-20 | 2022-12-20 | 宁夏维尔康环境检测有限公司 | Underground water, ground and air integrated environment monitoring tower |
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