CN204457679U - Adopt isotopically tagged gravel filling effect checkout gear - Google Patents
Adopt isotopically tagged gravel filling effect checkout gear Download PDFInfo
- Publication number
- CN204457679U CN204457679U CN201420830055.0U CN201420830055U CN204457679U CN 204457679 U CN204457679 U CN 204457679U CN 201420830055 U CN201420830055 U CN 201420830055U CN 204457679 U CN204457679 U CN 204457679U
- Authority
- CN
- China
- Prior art keywords
- gravel
- checkout gear
- filling
- filling effect
- control screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000000694 effects Effects 0.000 title claims abstract description 38
- 239000000700 radioactive tracer Substances 0.000 claims abstract description 57
- 239000004576 sand Substances 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims description 39
- 239000012530 fluid Substances 0.000 claims description 14
- 239000003129 oil well Substances 0.000 abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 37
- 238000001514 detection method Methods 0.000 description 22
- 238000009377 nuclear transmutation Methods 0.000 description 6
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000012876 carrier material Substances 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 230000002285 radioactive effect Effects 0.000 description 4
- 230000005251 gamma ray Effects 0.000 description 3
- 239000006004 Quartz sand Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000000155 isotopic effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 235000009518 sodium iodide Nutrition 0.000 description 2
- OKTJSMMVPCPJKN-NJFSPNSNSA-N Carbon-14 Chemical compound [14C] OKTJSMMVPCPJKN-NJFSPNSNSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- DSAJWYNOEDNPEQ-AHCXROLUSA-N barium-133 Chemical compound [133Ba] DSAJWYNOEDNPEQ-AHCXROLUSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011157 data evaluation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Geophysics And Detection Of Objects (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The utility model provides the isotopically tagged gravel filling effect checkout gear of a kind of employing.The isotopically tagged gravel filling effect checkout gear of this employing comprises mixed filling mechanism, data acquisition process mechanism, sand control screen, isotope tracer logging instrument; Described mixed filling mechanism is connected with described sand control screen, and it is inner that described isotope tracer logging instrument is arranged on described sand control screen, and described data acquisition process mechanism and described isotope tracer logging instrument are electrically connected.The isotopically tagged gravel filling effect checkout gear of employing of the present utility model adopts Radioactive tracer techniques principle, can detect distribution and the uniformity coefficient of oil well filling interval gravel, can provide direct basis for the Late reformation of oil well from ground.
Description
Technical field
The utility model relates to the isotopically tagged gravel filling effect checkout gear of a kind of employing, belongs to oil well filling detection technique field.
Background technology
On stream, no matter be adopt straight well, directional well, or horizontal well is developed, and all there is the problem of sand control difficulty, because these oil reservoir shale contents are high, Container Rock Sanding is serious for loose sand heavy crude reservoir, high shale content, fine sandstone oil reservoir.Therefore, need sand control of taking measures, so that oil exploitation, gravel packing technology is then considered to one of anti-sand method of the best at present.
The gravel filling effect of gravel packing technology is not only relevant with the constant such as casing programme, formation physical property, also affects by variable factors such as operational discharge capacity, sand concentration, load fluid density and viscosity, Gravel packing and density.After no matter the packing job of which kind of well type completes, filling effect is traditionally to calculate " pack completeness " to weigh, or the sand control of phase, produce oil situation generally qualitatively judge rearward, cannot with the filling effect of the data evaluation reality of science.
Utility model content
In view of the defect that above-mentioned prior art exists, the purpose of this utility model proposes the isotopically tagged gravel filling effect checkout gear of a kind of employing, distribution and the uniformity coefficient of oil well filling interval gravel can be detected, and then scientifically can evaluate actual gravel filling effect.
The purpose of this utility model is achieved by the following technical programs:
The isotopically tagged gravel filling effect checkout gear of a kind of employing, this checkout gear comprises mixed filling mechanism, data acquisition process mechanism, sand control screen, isotope tracer logging instrument; Described mixed filling mechanism is connected with described sand control screen, and it is inner that described isotope tracer logging instrument is arranged on described sand control screen, and described data acquisition process mechanism and described isotope tracer logging instrument are electrically connected.
In the isotopically tagged gravel filling effect checkout gear of above-mentioned employing, in use, described isotope tracer logging instrument is arranged on described sand control screen inside, gravel filling measuring section.
In the isotopically tagged gravel filling effect checkout gear of above-mentioned employing, preferably, described mixed filling mechanism comprises flow-control pipeline, hybrid instrument, fracturing blender truck, fracturing unit truck group, described flow-control pipeline is for controlling the flow velocity of radioactive tracer material and gravel, described flow-control pipeline, hybrid instrument, fracturing blender truck, fracturing unit truck group are connected successively, and described fracturing unit truck group is connected with described sand control screen.
In the isotopically tagged gravel filling effect checkout gear of above-mentioned employing, preferably, this checkout gear also comprises gravel source, tagging material source and load fluid source, described gravel source is connected respectively at described flow control tube route with tagging material source, and described load fluid source is connected with described fracturing blender truck.
In above-mentioned checkout gear, because tracer material be have radioactive, and relative to the consumption of gravel, tracer material consumption is little, and it is very accurate that the consumption of tracer material will control, and will resolve the Homogeneous phase mixing problem of tracer material and gravel simultaneously, therefore, pipe on-line equipment flow-control pipeline, may be used for controlling the flow velocity that radioactive tracer material and gravel enter hybrid instrument, and can measure tracer material discharge capacity.When ensureing gravel displacement constant, according to the mixed proportion of gravel and tracing sand, accurately controlling the displacement constant of tracing sand, mixing more evenly like this, and long-term online assignment can be realized.Above-mentioned flow-control pipeline can comprise solid-liquid flow control valve and flow meter, this flow-control pipeline can control the flow of tracer material and gravel simultaneously, also can separate independent control, can also be the flow that two flow-control pipelines independently control tracer material and gravel.
In above-mentioned checkout gear, hybrid instrument is for mixing gravel and tagging material; Fracturing blender truck mixes gravel filling for what be mixed to form with gravel and tagging material by load fluid.
In above-mentioned checkout gear, gravel source is used for providing gravel, and tagging material source is used for providing tagging material, and load fluid source is used for providing load fluid.
The utility model also provides a kind of and adopts isotopically tagged gravel filling effect detection method, and it utilizes the isotopically tagged gravel filling effect checkout gear of above-mentioned employing, and the method comprises the steps:
Make of artificial isotopic carrier and obtain tracer material;
The tracer material made is carried out heap photograph, makes it to produce radioactivity, obtain radioactive tracer material;
By radioactive tracer material with gravel by using hybrid instrument fully to mix by proportioning after flow-control pipeline, obtain mix gravel filling;
Under enter sand control screen and isotope tracer logging instrument;
First time detection is carried out to needing filling well section with isotope tracer logging instrument;
To mix gravel filling uses fracturing blender truck to mix with load fluid, then uses fracturing unit truck group to inject and needs filling well section, carries out second time detection with isotope tracer logging instrument to needing filling well section;
Twice result of detection carries out data sampling and processing, explanation by data acquisition process mechanism, is analyzed, and obtains the uniformity and point well spacing segment information of gravel pack, and then obtains the evaluation of gravel filling effect.
In the isotopically tagged gravel filling effect detection method of above-mentioned employing, the tracer material made is carried out heap and shines by (such as on the ground), make it to produce in radioactive step, need the expectation engineering time according to concrete well, carry out heap to tracer material according to a conventional method to shine, and the half-life of manual control tracer material, make the radioactivity of tracer material quick through the half-life after sensing.The half-life of above-mentioned control tracer material can adjust by selecting suitable transmutation product.
In the isotopically tagged gravel filling effect detection method of above-mentioned employing, the result of twice detection is analyzed, obtain the uniformity and point well spacing segment information of gravel pack, and then obtain in the step of evaluation of gravel filling effect, the numerical value of the uniformity and point well spacing segment information and be more all for twice by isotope tracer logging instrument and carry or the data acquisition process mechanism interpretation process of outside complete, isotope tracer logging instrument can detect the signal that tracer material sends, distribution situation and the filling uniformity that can draw tracer material is explained by data acquisition process mechanism, because tracer material and gravel are mixed uniformly, thus the uniformity of gravel pack can be drawn.Detection is the one section one section detection of point well section, finally draws the filling situation of whole filling well section.
In the isotopically tagged gravel filling effect detection method of above-mentioned employing, isotope tracer logging instrument can adjust according to the ray of different transmutation products release.For different transmutation products, its ray type is different, there are α, β, gamma-rays, need with different survey meters for different rays, the application preferably uses gamma-ray detector, because gamma-rays penetration capacity is stronger, so the most handy gamma-rays, gamma-ray detector generally uses G-M counting tube, sodium iodide scintillation crystal detection counting.
In the isotopically tagged gravel filling effect detection method of above-mentioned employing, preferably, described making of artificial isotopic carrier obtains tracer material and transmutation product and carrier material within 2-20 hour, is obtained at 100 DEG C-200 DEG C parcel sintering; But according to the difference of carrier material, parameter is also slightly different, here preferably for resin sand.
In the isotopically tagged gravel filling effect detection method of above-mentioned employing, preferably, described transmutation product comprises the combination of one or more in P 32, Ir192, Co 60, barium 133 and carbon 14 etc., and described carrier material comprises the combination of one or more in resin sand, ceramsite sand and granulated rubber etc.
In the isotopically tagged gravel filling effect detection method of above-mentioned employing, need the concrete condition according to construction well, according to suitable sand liquor ratio, namely mix the ratio of gravel filling and load fluid, according to the situation of construction well, conveniently can be divided into high density > 0.50L/L, Midst density 0.15-0.5L/L, low-density < 0.15L/L, calculates the gravel amount needed, thus can calculate the tracer material quantity of needs.
In the isotopically tagged gravel filling effect detection method of above-mentioned employing, described proportioning take volume basis as tracer material: gravel=1: 100-1: 1000.
In the isotopically tagged gravel filling effect detection method of above-mentioned employing, for ensureing tracer material and gravel Homogeneous phase mixing, both needs index is consistent or be close; Preferably, the index of the size of described tracer material, density, sphericity index and gravel pack gravel used is suitable.The index of gravel is as shown in table 1:
Table 1
Outstanding effect of the present utility model is:
The isotopically tagged gravel filling effect checkout gear of employing of the present utility model adopts Radioactive tracer techniques principle, distribution and the uniformity coefficient of oil well filling interval gravel can be detected from ground, promote the development and improvement of gravel pack technology, thus improve sand controlling result, prolongation oil well life-span, increase oil and gas production, and direct basis can be provided for the Late reformation of oil well.
Accompanying drawing explanation
Fig. 1 is the structural representation that embodiment adopts isotopically tagged gravel filling effect checkout gear.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and beneficial effect, existing following detailed description is carried out to the technical solution of the utility model, but can not be interpreted as to of the present utility model can the restriction of practical range.
Embodiment
The present embodiment provides a kind of and adopts isotopically tagged gravel filling effect checkout gear, and as shown in Figure 1, this checkout gear comprises mixed filling mechanism, data acquisition process mechanism, sand control screen 1, isotope tracer logging instrument 2; Described mixed filling mechanism comprises flow-control pipeline (being provided with solid-liquid flow control valve and flow meter), hybrid instrument (mixer), fracturing blender truck (routine), fracturing unit truck group (routine), and this checkout gear also comprises gravel source, tagging material source and load fluid source; Described flow-control pipeline, hybrid instrument, fracturing blender truck, fracturing unit truck group are connected successively, the fracturing unit truck group of described mixed filling mechanism is connected with described sand control screen 1, described isotope tracer logging instrument 2 is arranged on gravel pack measuring section when described sand control screen 1 inside, use, and described data acquisition process mechanism and described isotope tracer logging instrument 2 are electrically connected.Described gravel source is connected respectively at described flow control tube route with tagging material source, and described load fluid source is connected with described fracturing blender truck.
The isotope tracer logging instrument 2 of the present embodiment comprises sodium iodide scintillation crystal count method gamma ray detector (routine) connected successively, amplify treatment element and PC, described PC is data acquisition process mechanism, amplification treatment element is electronic component, for amplifying detectable signal and passing to PC process.
The present embodiment also provides a kind of and adopts isotopically tagged gravel filling effect detection method, it utilizes the isotopically tagged gravel filling effect checkout gear of above-mentioned employing, the present embodiment selects oil well to be straight well, the median particle size of the anti-layer of sand of oilfield is at 0.05-0.5mm, and clastic composition used is quartz sand and ceramsite sand, and the sphericity of quartz sand is not less than 0.6, the sphericity of ceramsite sand is not less than 0.8, grain size of gravel 0.3-3mm, percentage of damage≤8% under gravel density 2.65,14MPa pressure.This detection method comprises the steps:
Make of transmutation product Ir192 and carrier material (sand) and obtain tracing sand, the indexs such as its size, density, sphericity are consistent with the index of gravel pack gravel used;
The tracing sand made is carried out heap photograph according to a conventional method, makes it to produce radioactivity, and control the half-life of tracer material, make the radioactivity of tracer material quick through the half-life after sensing, obtain radioactive tracing sand;
Radioactive tracing sand and gravel are used hybrid instrument by volume proportioning 1: 1000 mix, obtain mix gravel filling 3;
Under enter sand control screen 1 and isotope tracer logging instrument 2 to needing filling well section (measuring section), carry out first time detection with isotope tracer logging instrument 2 to needing filling well section;
To mix gravel filling 3 uses fracturing blender truck to mix with load fluid, then use fracturing unit truck group to be injected by sand control screen 1 and need filling well section, mixing gravel filling 3 and load fluid are filled into the outside of sand control screen 1 from the end of sand control screen 1, enter and need filling well section, and carry out shutoff with packer, mixing gravel filling 3 is by entering oil well with sand control screen 1, and isotope tracer logging instrument 2 carries out second time detection to needing filling well section;
The data acquisition process mechanism that twice testing result is carried by isotope tracer logging instrument carries out data sampling and processing, explanation, is analyzed the result of twice detection, obtains the uniformity and point well spacing segment information of gravel pack.Mobile isotope tracer logging instrument 2 is to next measuring section, obtain the measurement numerical value of the whole filling well section being divided into multiple measuring section (5m or 10m is a point of well section), the numerical value of data acquisition process mechanism to gained compares, best filling well section pack completeness and the poorest well section pack completeness difference of the present embodiment are less than 10%, the pack completeness of each well section is all greater than 80%, the human-computer interaction interface display gravel pack of data acquisition process mechanism is even, and gravel filling effect is better.
Therefore, the isotopically tagged gravel filling effect checkout gear of employing of the present utility model adopts Radioactive tracer techniques principle, distribution and the uniformity coefficient of oil well filling interval gravel can be detected from ground, promote the development and improvement of gravel pack technology, thus improve sand controlling result, prolongation oil well life-span, increase oil and gas production, and direct basis can be provided for the Late reformation of oil well.
Claims (3)
1. adopt an isotopically tagged gravel filling effect checkout gear, it is characterized in that: this checkout gear comprises mixed filling mechanism, data acquisition process mechanism, sand control screen, isotope tracer logging instrument; Described mixed filling mechanism is connected with described sand control screen, and it is inner that described isotope tracer logging instrument is arranged on described sand control screen, and described data acquisition process mechanism and described isotope tracer logging instrument are electrically connected.
2. the isotopically tagged gravel filling effect checkout gear of employing according to claim 1, it is characterized in that: described mixed filling mechanism comprises flow-control pipeline, hybrid instrument, fracturing blender truck, fracturing unit truck group, described flow-control pipeline is for controlling the flow velocity of radioactive tracer material and gravel, described flow-control pipeline, hybrid instrument, fracturing blender truck, fracturing unit truck group are connected successively, and described fracturing unit truck group is connected with described sand control screen.
3. the isotopically tagged gravel filling effect checkout gear of employing according to claim 2, it is characterized in that: this checkout gear also comprises gravel source, tagging material source and load fluid source, described gravel source is connected respectively at described flow control tube route with tagging material source, and described load fluid source is connected with described fracturing blender truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420830055.0U CN204457679U (en) | 2014-12-24 | 2014-12-24 | Adopt isotopically tagged gravel filling effect checkout gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420830055.0U CN204457679U (en) | 2014-12-24 | 2014-12-24 | Adopt isotopically tagged gravel filling effect checkout gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204457679U true CN204457679U (en) | 2015-07-08 |
Family
ID=53664581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420830055.0U Expired - Fee Related CN204457679U (en) | 2014-12-24 | 2014-12-24 | Adopt isotopically tagged gravel filling effect checkout gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204457679U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563975A (en) * | 2014-12-24 | 2015-04-29 | 中国石油天然气股份有限公司 | Gravel packing effect detecting method and detecting device by adopting isotopic tracing |
| CN107100612A (en) * | 2017-04-17 | 2017-08-29 | 山东科技大学 | Investigate method in a kind of downhole hydraulic pressure break influence area |
-
2014
- 2014-12-24 CN CN201420830055.0U patent/CN204457679U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563975A (en) * | 2014-12-24 | 2015-04-29 | 中国石油天然气股份有限公司 | Gravel packing effect detecting method and detecting device by adopting isotopic tracing |
| CN107100612A (en) * | 2017-04-17 | 2017-08-29 | 山东科技大学 | Investigate method in a kind of downhole hydraulic pressure break influence area |
| CN107100612B (en) * | 2017-04-17 | 2020-05-05 | 山东科技大学 | Method for investigating underground hydraulic fracturing influence area |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104563975A (en) | Gravel packing effect detecting method and detecting device by adopting isotopic tracing | |
| Farmani et al. | Analysis of Pre-Darcy flow for different liquids and gases | |
| CN103852475B (en) | Multichannel potassium measuring instrument based on gamma ray | |
| CN101713785B (en) | Electroconductibility single-hole diluting method for detecting seepage speed | |
| Kittilä et al. | Field comparison of DNA‐labeled nanoparticle and solute tracer transport in a fractured crystalline rock | |
| CN105890689A (en) | Device and method for measuring mass flow rates of gas phase, oil phase and water phase in moisture | |
| CN103399025B (en) | A kind of on-line measurement is containing the method for quality sand factor in sand polyphasic flow | |
| CN204457679U (en) | Adopt isotopically tagged gravel filling effect checkout gear | |
| Axel et al. | Reconciling contradictory environmental tracer ages in multi-tracer studies to characterize the aquifer and quantify deep groundwater flow: an example from the Hutton Sandstone, Great Artesian Basin, Australia | |
| CN107229080A (en) | A kind of acquisition methods of geochemical well logging neutron absorption gamma spectra | |
| Wu et al. | Experimental study on the matching relationship between PPG size and reservoir heterogeneity | |
| Wang et al. | Improved model for predicting the hydraulic conductivity of soils based on the Kozeny–Carman equation | |
| Wang et al. | Development of depth-averaged nonlinear flow model for fractures considering heterogeneity and significant inertial effects | |
| Liu et al. | Influence of particle size on non-Darcy seepage of water and sediment in fractured rock | |
| Aertsens et al. | Overview of radionuclide migration experiments in the HADES Underground Research Facility at Mol (Belgium) | |
| Liu et al. | Impacts of confining pressure and safety thickness on water and mud inrush in weathered granite | |
| WO2017206199A1 (en) | Measuring apparatus and method for measuring multiphase mass flow rates of gas, oil, and water in wet gas | |
| Guo et al. | Sediment routing and anthropogenic impact in the Huanghe River catchment, China: An investigation using Nd isotopes of river sediments | |
| Cao et al. | Experimental study on backfilling mine goafs with chemical waste phosphogypsum | |
| CN110566184A (en) | Use of14Method for tracing oil field well by C nuclide | |
| CN102507663A (en) | Mineralization measuring method and system, and spreading degree measuring system | |
| CN209067194U (en) | A kind of composite device measuring shale gas resulting fluid mass flow | |
| Du et al. | Inter-comparison of radium analysis in coastal sea water of the Asian region | |
| Constant-Machado et al. | Flow modeling of a battery of industrial crude oil/gas separators using 113mIn tracer experiments | |
| CN109655861B (en) | Method for measuring radium concentration in water in closed loop mode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 |