CN110965995B - Oil-water distribution testing device and method for low-liquid-amount horizontal well - Google Patents
Oil-water distribution testing device and method for low-liquid-amount horizontal well Download PDFInfo
- Publication number
- CN110965995B CN110965995B CN201911054103.5A CN201911054103A CN110965995B CN 110965995 B CN110965995 B CN 110965995B CN 201911054103 A CN201911054103 A CN 201911054103A CN 110965995 B CN110965995 B CN 110965995B
- Authority
- CN
- China
- Prior art keywords
- oil
- section
- liquid
- pipe
- optical fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses an oil-water distribution testing device and an oil-water distribution testing method for a low-liquid-amount horizontal well, and belongs to the field of oilfield development and testing. The invention adopts an oil pipe transmission pumping lifting mode, fluid in a pipe is forced to perform convection heat exchange to distinguish oil and water, the fluid enters the oil pipe to pump to the ground, a ground laser generator sends laser pulses to a test optical fiber, a detector system records the intensity and the model of reflected scattered light to obtain an interval temperature profile test curve, then the temperature and the flow characteristic are related based on a horizontal well temperature model according to measured temperature profile data, the total fluid volume is used for pouring the total fluid volume into each section of absolute fluid production, and the equivalent specific heat volume is reversely calculated according to the measured temperature of an inlet section and an outlet section of a heating pipe by using a flow heat exchange balance equation in a long pipe, so that the oil-water mass ratio of each section is obtained. The test method has high test accuracy, can reduce the field construction operation cost, and provides an important means for recognizing, evaluating and developing effects and guiding the development policy adjustment.
Description
Technical Field
The invention belongs to the field of oilfield development and testing, and particularly relates to an oil-water distribution testing device and an oil-water distribution testing method for a low-liquid-amount horizontal well.
Background
Along with the continuous expansion of the development scale of the horizontal well, the oil field recovery rate is improved, meanwhile, the problem of water breakthrough of the oil well is solved along with the development time, the productivity of the oil well is rapidly reduced after water breakthrough, the development of the liquid production profile test of the horizontal well is needed, the underground temperature parameters are directly read on the ground, and the basis is provided for optimizing the development scheme and improving the recovery rate, so that the water shutoff is specifically implemented.
At present, the conventional production profile testing technology of the horizontal well has great testing difficulty in each production section, and mainly has the following defects: the conventional testing technology has the problems that the crawler encounters a card, the testing success rate is low, and the testing success rate is about 30 percent; poor instrument response under the state of small flow and fluid layering, such as large turbine flowmeter starting displacement (the corresponding flow of a sleeve with a starting flow rate of 0.01m/s and 5 1/2' is 10.6m 3/d); the conventional liquid production profile test cannot directly read data, the test time is long (15 days per well on average), and the operation risk is increased by pulling down the test tubular column; the mechanical method testing technology is blocked by a packer and does not belong to the testing under the same pressure system.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an oil-water distribution testing device and an oil-water distribution testing method for a low-liquid-amount horizontal well.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
the oil-water distribution testing device of the low-liquid-amount horizontal well comprises an oil pipe, wherein the oil pipe is divided into an oil pipe above a deflecting point and an oil pipe at a horizontal section, and the oil pipe at the horizontal section is separated by a plurality of groups of heating pipes and a pipeline with liquid inlets;
The outer wall of the oil pipe above the deflecting point is provided with a test optical fiber, the test optical fiber extending below the deflecting point is positioned in the oil pipe, the tail end of the oil pipe of the horizontal section is provided with a guide plug, and the test optical fiber extending to the underground outside is connected with a signal detector system and a ground laser generator;
The preset position of the oil pipe is provided with a rod pump, the upper end of the rod pump is connected with a sucker rod, and the upper end of the sucker rod is connected with an oil pumping unit.
Further, the test optical fiber on the outer wall of the oil pipe is put in a clip external binding mode.
Further, the test optical fiber below the deflecting point is pulled and fixed by an optical fiber end point pulling fixer fixed on the guide screw plug.
Furthermore, an adapter is arranged between the oil pipes at the upper end and the lower end of the deflecting point.
Furthermore, a coupling chamfer oil pipe is adopted at the position where the well inclination angle is larger than 45 degrees and the horizontal well section.
A testing method of an oil-water distribution testing device of a low-liquid-amount horizontal well comprises the following steps:
1) Starting the pumping unit to drive the rod pump to pump, and enabling the production layer well fluid to flow into a pipeline with a fluid inlet hole to reach the ground through a corresponding heating pipe;
2) The ground laser generator emits laser pulses and propagates in the test optical fiber, and the signal detector system receives and generates reflected light rays and performs data processing to obtain a temperature-depth test curve;
The total liquid amount is divided into absolute liquid production of each layer section according to the actual liquid production amount of the wellhead by utilizing a temperature-depth test curve and a horizontal well temperature calculation model, so that the liquid production flow rate of each layer section is obtained;
3) Heating the corresponding layer section by using a heating pipe, and testing the temperatures of the inlet section and the outlet section of the heating pipe of the corresponding section obtained by the optical fiber;
And reversely solving the equivalent specific heat volume by utilizing a flow heat exchange balance equation in the long pipe according to the flow velocity of the produced liquid in each layer section, and further obtaining the oil-water mass ratio of each section according to the equivalent specific heat volume plates of different oil-water ratios under the corresponding flow of the heating pipe in the room.
Compared with the prior art, the invention has the following beneficial effects:
The oil-water distribution testing device and the testing method of the low-liquid-amount horizontal well adopt the existing products, are convenient to obtain and are simple and convenient to construct; furthermore, the adapter between the oil pipes at the upper end and the lower end of the deflecting point reduces the abrasion of the test optical fiber in the horizontal section; furthermore, the well inclination angle is larger than 45 degrees, and the coupling chamfer oil pipe is adopted in the horizontal well section, so that the construction is convenient.
The invention relates to a testing method of an oil-water distribution testing device of a low liquid amount horizontal well, which adopts an oil pipe transmission pumping lifting mode, fluid in a pipe is forced to perform convection heat exchange to distinguish oil water, fluid enters the oil pipe to pump to the ground, a ground laser generator sends laser pulses to a testing optical fiber, a detector system records the intensity and the model of reflected scattered light, an interval temperature profile testing curve is obtained, then the temperature and the flow characteristic are related based on a horizontal well temperature model according to measured temperature profile data, the total liquid amount is used for inversing to each section of absolute liquid production, and the equivalent heat specific volume is reversely calculated according to the measured temperature of an inlet section and an outlet section of a heating pipe by using a flow heat exchange balance equation in a long pipe, so that the oil-water mass ratio of each section is obtained. The test method has high test accuracy and short period, can reduce the field construction operation cost, effectively judges the high water-containing layer section, and provides an important means for recognizing, evaluating and developing effects and guiding development policy adjustment.
Drawings
FIG. 1 is a schematic diagram of the oil-water distribution testing device of the low liquid level well.
Wherein: 1-guiding a screwed plug; 2-fiber end point pulling fixture; 3-a first pipeline 1 with a liquid inlet; 4-a first heating tube; 5-connecting an oil pipe; 6-a second pipeline with a liquid inlet; 7-a second heating tube; 8-testing the optical fiber; 9-a third pipeline with a liquid inlet; 10-a fourth heating tube; 11-an adapter; 12-rod pump; 13-sucker rod; 14-pumping unit; 15-a signal detector system; 16-ground laser generator.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is described in further detail below with reference to the attached drawing figures:
Referring to fig. 1, fig. 1 is a schematic diagram of an oil-water distribution testing device for a low liquid level well according to the present invention; the well inclination depth in the embodiment is 3000m, the length of the horizontal section is 800m, the inner diameter of the sleeve is 124.26mm, a phi 118 mm multiplied by 1.5m well-dredging gauge is used for dredging the well to the artificial well bottom, and the well is backwashed, washed out and washed in to the artificial well bottom; the well section comprises a horizontal section pipe column and a pipe column above a deflecting point; the end of the horizontal section pipe column to the deflecting point is sequentially provided with a guide plug 1, an optical fiber end point traction fixer 2, a first pipeline 3 with a liquid inlet, a first heating pipe 4, a first connecting oil pipe 5, a second pipeline 6 with a liquid inlet, a second heating pipe 7, a second connecting oil pipe, a third pipeline 9 with a liquid inlet, a fourth heating pipe 10 and a second connecting oil pipe, wherein the other end of the second connecting oil pipe is connected with a conversion joint 11, the other end of the conversion joint 11 is connected with the oil pipe, and the oil pipe extends to a wellhead; the outer wall of the oil pipe above the deflecting point is provided with a test optical fiber, the test optical fiber below the deflecting point is positioned in the oil pipe, and the upper end of the test optical fiber is connected with a signal detector system 15 and a ground laser generator 16; the rod pump 12 is arranged in the oil pipe with the preset depth, the pumping rod 13 is connected with the oil pipe to be fixed along with the pumping rod 13 which is arranged at the position of the designed pump depth, and the pumping rod 13 is connected with the wellhead pumping unit 14.
The construction method of the oil-water distribution testing device of the low-liquid-amount horizontal well comprises the following steps:
1) Treating a wellbore
The well inclination depth is 3000m, the length of the horizontal section is 800m, the inner diameter of the sleeve is 124.26mm, the well is opened to the artificial bottom by using a phi 118mm multiplied by 1.5m well-opening gauge, and the well is backwashed, washed out and washed out to the artificial bottom.
2) Connection tubular column
The pipe column part is formed by sequentially connecting a guide plug, a pipeline with a liquid inlet, a heating pipe, a connecting oil pipe, a pipeline with a liquid inlet, a heating pipe, a connecting oil pipe, an adapter and an oil pipe from bottom to top to a wellhead. The pipe column is internally provided with an optical fiber end point traction fixer and a test optical fiber. And when the well inclination angle is larger than 45 degrees, the coupling chamfer oil pipe is adopted in the horizontal well section.
3) Run-in tubular column
The pipe column part is connected to the wellhead sequentially from bottom to top through an oil pipe, so that each test section is provided with a liquid inlet and a heating pipe correspondingly. The test part is sequentially from bottom to top from the optical fiber cable to the wellhead, the optical fiber end point traction fixer drives the test optical fiber to the horizontal section, the test optical fiber is arranged on the outer wall of the connecting oil pipe above the deflecting point, the test optical fiber is bundled outside the clamp and is put into the connecting oil pipe, and the test optical fiber is arranged in the oil pipe below the deflecting point and is directly put into the horizontal section along with the traction of the optical fiber end point traction fixer fixed on the guide plug.
4) Drop-in pumping equipment and connection test system
The rod pump is connected with an oil pipe for fixing along with a sucker rod which is connected with a wellhead pumping unit to the deep position of the designed pump; the test optical fiber is connected with the ground signal detector system and the ground laser generator.
The testing method of the oil-water distribution testing device of the low-liquid-amount horizontal well comprises the following steps:
1) Starting the pumping unit 14 to drive the rod pump 12 to pump, and enabling the pipeline with the liquid inlet corresponding to the continuous flow of the production layer well liquid to pass through the corresponding heating pipe to the ground;
2) The ground laser generator 16 emits laser pulses and propagates in the test fiber, the signal detector system 15 receives the generated rayleigh, stokes and anti-stokes reflected light rays based on the optical time domain reflection principle, the temperature is calculated through the light intensity ratio of the stokes to the anti-stokes, the depth is calculated through the time difference of the reflected waves and the light velocity, and the temperature-distance test curves of different positions are obtained;
The geothermal potential energy of the same-depth producing layer of the horizontal well is close, but the larger the yield is, the higher the heat value from the stratum to the shaft is, the more viscosity heat dissipation is generated, the larger the inflow temperature and the ground temperature deviation are, the temperature calculation model of the horizontal well is obtained by utilizing the oil reservoir and the shaft flow equation according to the conservation of the material energy, the temperature calculation model of the horizontal well and the actual measured temperature-distance test curve are utilized to correlate the temperature T at different positions with the flow Q characteristics at different positions, the total liquid amount is divided into absolute liquid production sections according to the actual liquid production amount of the wellhead, and the liquid production condition of each layer section is further obtained;
3) The constant temperature heating pipe heats the corresponding layer section, the fiber obtains the temperature of the inlet and outlet section of the heating pipe of the corresponding section according to the previous step, and the equivalent specific heat volume is reversely calculated according to the flow rate of the liquid produced by each layer section by utilizing the flow heat exchange balance equation in the long pipe, and the oil-water mass ratio of each section is further obtained according to the equivalent specific heat volume plate of different oil-water ratios under the corresponding flow rate of the heating pipe in the room.
The test principle is as follows: the test optical fiber enters the horizontal section along with the oil pipe, stratum fluid enters the oil pipe through the inlet and is pumped to the ground, the ground laser generator sends optical signals to the test optical fiber, the intensity and the model of reflected scattered light are recorded, and software interpretation and analysis are carried out to obtain the water production and the oil production of each section.
Determining the position of the test point by using the time difference between the incident light and the reflected light; dividing the optical fiber into a plurality of equidistant regions, and calculating equidistant distributed temperature values according to the measured light intensity ratio of each region;
wherein: l is the distance between the position for emitting scattered light and the incident end; c is the speed of light in the optical fiber; t is the time difference between the emitted incident light and the reflected light; n is the refractive index of the optical fiber;
Wherein: las is the intensity of Anti-Stokes light; ls is Stokes light intensity; alpha is the temperature-dependent coefficient: h is the Planck constant (J.s); c O is the speed of light in vacuum; v is the Raman shift amount (m-1); k is the Boltzmann constant (J/K); t is the absolute temperature value.
According to conservation of material energy, a horizontal well temperature calculation model is obtained by utilizing an oil reservoir and a well shaft flow equation, so that a well shaft temperature curve can be obtained, and the temperature and the flow characteristics are related. And according to the measured data, the total liquid amount is utilized to fall into each section of absolute liquid production.
The reservoir inflow temperature equation is:
The wellbore temperature equation is:
wherein,
(ρυCp)T＝∑ρiυiyiCp,i，
Wherein: c p is the specific heat capacity; Is porosity; ρ is the density; beta is the thermal expansion coefficient; t is the temperature; t I is the inflow temperature of the fluid into the wellbore; k Tt the total heat conductivity of the rock and fluid; j is each phase; mu is viscosity; v is the darcy percolation velocity vector.
The specific heat capacity of water and oil is more than twice different, if the same mass of water and oil are heated with the same heat energy, the temperature rise of the oil will be greater than that of water.
And each section of heating pipe is heated at a constant temperature, and the equivalent specific heat volume C p is reversely calculated by utilizing a flow heat exchange equilibrium equation in the long pipe according to the measured temperatures of the inlet section and the outlet section, so that the oil-water mass ratio of each section is obtained.
The above is only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited by this, and any modification made on the basis of the technical scheme according to the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (5)
1. The testing method of the oil-water distribution testing device of the low-liquid-amount horizontal well is characterized in that the device comprises an oil pipe, wherein the oil pipe is divided into an oil pipe above a deflecting point and an oil pipe at a horizontal section, and the oil pipe at the horizontal section is separated by a plurality of groups of heating pipes and a pipeline with liquid inlets;
the outer wall of the oil pipe above the deflecting point is provided with a test optical fiber, the test optical fiber extending below the deflecting point is positioned in the oil pipe, the tail end of the oil pipe of the horizontal section is provided with a guide plug (1), and the test optical fiber extending to the underground is connected with a signal detector system (15) and a ground laser generator (16);
a rod pump (12) is arranged at a preset position of the oil pipe, the upper end of the rod pump (12) is connected with a sucker rod (13), and the upper end of the sucker rod (13) is connected with an oil pumping unit (14);
The method comprises the following steps:
1) Starting the pumping unit (14) to drive the rod pump (12) to pump, and enabling the production layer well fluid to flow into a pipeline with a fluid inlet hole to pass through a corresponding heating pipe to the ground;
2) The ground laser generator (16) emits laser pulses and propagates in the test optical fiber, and the signal detector system (15) receives and generates reflected light rays and performs data processing to obtain a temperature-depth test curve;
The total liquid amount is divided into absolute liquid production of each layer section according to the actual liquid production amount of the wellhead by utilizing a temperature-depth test curve and a horizontal well temperature calculation model, so that the liquid production flow rate of each layer section is obtained;
3) Heating the corresponding layer section by using a heating pipe, and testing the temperatures of the inlet section and the outlet section of the heating pipe of the corresponding section obtained by the optical fiber;
And reversely solving the equivalent specific heat volume by utilizing a flow heat exchange balance equation in the long pipe according to the flow velocity of the produced liquid in each layer section, and further obtaining the oil-water mass ratio of each section according to the equivalent specific heat volume plates of different oil-water ratios under the corresponding flow of the heating pipe in the room.
2. The method for testing the oil-water distribution testing device of the low-liquid-level horizontal well according to claim 1, wherein the testing optical fiber on the outer wall of the oil pipe is put in a clip-out binding mode.
3. The method for testing the oil-water distribution testing device of the low-liquid-level horizontal well according to claim 1, wherein the testing optical fiber below the deflecting point is pulled and fixed by an optical fiber end point pulling and fixing device (2) fixed on the guide plug (1).
4. The method for testing the oil-water distribution testing device of the low-liquid-amount horizontal well according to claim 1, wherein a conversion joint (11) is arranged between the oil pipes at the upper end and the lower end of the deflecting point.
5. The method for testing the oil-water distribution testing device of the low-liquid-level horizontal well according to claim 1, wherein the well inclination angle is larger than 45 degrees, and the horizontal well section adopts a coupling chamfer oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911054103.5A CN110965995B (en) | 2019-10-31 | 2019-10-31 | Oil-water distribution testing device and method for low-liquid-amount horizontal well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911054103.5A CN110965995B (en) | 2019-10-31 | 2019-10-31 | Oil-water distribution testing device and method for low-liquid-amount horizontal well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110965995A CN110965995A (en) | 2020-04-07 |
| CN110965995B true CN110965995B (en) | 2024-08-27 |
Family
ID=70030274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911054103.5A Active CN110965995B (en) | 2019-10-31 | 2019-10-31 | Oil-water distribution testing device and method for low-liquid-amount horizontal well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110965995B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111441763A (en) * | 2020-04-30 | 2020-07-24 | 中国石油天然气股份有限公司 | Oil field horizontal well liquid production profile testing pipe column, system and method |
| CN111561311A (en) * | 2020-06-02 | 2020-08-21 | 中国石油天然气股份有限公司 | Optical fiber water exploration test system and test method for oil field mechanical production horizontal well |
| CN118346271B (en) * | 2024-06-12 | 2024-09-20 | 新疆石油管理局有限公司 | Non-self-injection horizontal well liquid production profile testing device and method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211201953U (en) * | 2019-10-31 | 2020-08-07 | 中国石油天然气股份有限公司 | Oil-water distribution testing device of low-liquid-volume horizontal well |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101251008A (en) * | 2008-03-31 | 2008-08-27 | 辽河石油勘探局 | Optical fiber sensing method for synchronously testing temperature and pressure below horizontal well |
| RU2543848C1 (en) * | 2013-11-14 | 2015-03-10 | Открытое акционерное общество "Татнефть" имени В.Д. Шашина | Development method of heavy oil or bitumen mine field with controlled product extraction from horizontal wells |
| CN103615225B (en) * | 2013-11-28 | 2017-07-07 | 中国石油天然气股份有限公司 | Double-horizontal-well isothermal difference forced steam circulation preheating method for middle-deep layer oil reservoir |
| CN103835689B (en) * | 2014-03-17 | 2016-08-17 | 大连爱德摩设备制造有限公司 | Oil reservoir electrical heating oil extracting appts and using method thereof |
| CA2884968A1 (en) * | 2014-03-24 | 2015-09-24 | Redstream Energy Inc. | System and method for producing oil from oil sands reservoirs with low overburden or permeable caprock and heavy oil reservoirs |
-
2019
- 2019-10-31 CN CN201911054103.5A patent/CN110965995B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211201953U (en) * | 2019-10-31 | 2020-08-07 | 中国石油天然气股份有限公司 | Oil-water distribution testing device of low-liquid-volume horizontal well |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110965995A (en) | 2020-04-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110965995B (en) | Oil-water distribution testing device and method for low-liquid-amount horizontal well | |
| CA2925181C (en) | Methods, apparatus, and systems for steam flow profiling | |
| Ouyang et al. | Flow profiling by Distributed Temperature Sensor (DTS) system—Expectation and reality | |
| CN110344815B (en) | A Production Profile Monitoring Method Based on Distributed Optical Fiber Sound Monitoring and Distributed Optical Fiber Temperature Monitoring | |
| US6618677B1 (en) | Method and apparatus for determining flow rates | |
| CA2628133C (en) | Method for monitoring fluid properties | |
| Naldrett et al. | Production monitoring using next-generation distributed sensing systems | |
| Hasan et al. | A robust steady-state model for flowing-fluid temperature in complex wells | |
| Carnahan et al. | Fiber optic temperature monitoring technology | |
| Baldwin | Fiber optic sensors in the oil and gas industry: Current and future applications | |
| Brown et al. | Using fibre-optic distributed temperature measurements to provide real-time reservoir surveillance data on Wytch Farm field horizontal extended-reach wells | |
| CN211201953U (en) | Oil-water distribution testing device of low-liquid-volume horizontal well | |
| CN1914406A (en) | Method of determining a fluid inflow profile of wellbore | |
| CN111648762A (en) | Long-term dynamic monitoring of underground special distributed armored optical cable and monitoring system and method | |
| GB2553356A (en) | Improvements in or relating to geothermal power plants | |
| WO2004085795A1 (en) | Method to measure injector inflow profiles | |
| Santos et al. | New Experimental Results Show the Application of Fiber Optic to Detect and to Track Gas Position in Marine Risers and Shed Light on the Gas Migration Phenomenon Inside a Closed Well | |
| CN113530524B (en) | Shaft flow monitoring system and flow and water content interpretation method | |
| CN111441763A (en) | Oil field horizontal well liquid production profile testing pipe column, system and method | |
| CN212428803U (en) | Oil field horizontal well liquid production section test pipe column and system | |
| Ou et al. | Evaluating Fluid Circulation in Enhanced Geothermal Systems at the Forge Site Using Thermo-Hydro-Mechanical Models and Fiber-Optic Distributed Strain Measurements | |
| Huebsch et al. | Monitoring inflow distribution in multi-zone, velocity string gas wells using slickline deployed fiber optic distributed temperature measurements | |
| CN118148614A (en) | Optical fiber on-line measuring system and method for downhole fluid production profile of oil well | |
| Denney | Real-time optimization of SAGD operations | |
| CN111581584B (en) | Quantitative calculation method for pressure drop heat exchange in geothermal development process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |