CN108868724A - A kind of method and device thereof of determining condensate gas well gaslift increase yields of oil and gas amount - Google Patents
A kind of method and device thereof of determining condensate gas well gaslift increase yields of oil and gas amount Download PDFInfo
- Publication number
- CN108868724A CN108868724A CN201810666702.1A CN201810666702A CN108868724A CN 108868724 A CN108868724 A CN 108868724A CN 201810666702 A CN201810666702 A CN 201810666702A CN 108868724 A CN108868724 A CN 108868724A
- Authority
- CN
- China
- Prior art keywords
- gas
- condensate
- gaslift
- well
- oil
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 65
- 238000004519 manufacturing process Methods 0.000 claims abstract description 45
- 230000008859 change Effects 0.000 claims abstract description 21
- 239000012530 fluid Substances 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 18
- 206010021137 Hypovolaemia Diseases 0.000 claims description 17
- 230000015572 biosynthetic process Effects 0.000 claims description 17
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 230000005494 condensation Effects 0.000 claims description 10
- 238000009833 condensation Methods 0.000 claims description 10
- 238000004458 analytical method Methods 0.000 claims description 7
- 230000001133 acceleration Effects 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 7
- 238000004590 computer program Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 230000000638 stimulation Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/255—Methods for stimulating production including the injection of a gaseous medium as treatment fluid into the formation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Theoretical Computer Science (AREA)
- Geochemistry & Mineralogy (AREA)
- Mathematical Physics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Data Mining & Analysis (AREA)
- General Physics & Mathematics (AREA)
- Databases & Information Systems (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Mathematical Analysis (AREA)
- Computational Mathematics (AREA)
- Algebra (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
Present description provides a kind of method and device thereof of determining condensate gas well gaslift increase yields of oil and gas amount, wherein this method includes：Obtain the PVT parameter of target condensate gas well connection gas condensate reservoir；Obtain target condensate gas well well control dynamic holdup；On the basis of the PVT parameter and well control dynamic holdup of target condensate gas well connection gas condensate reservoir, the relationship that depth, well control dynamic holdup and increase yields of oil and gas amount are drawn in gaslift in the case of considering gas condensate reservoir phase-state change is established；Determine that the increasing oil and gas content under the conditions of depth is drawn in target condensate gas well difference gaslift.The program is by considering that the relationship of depth, well control dynamic holdup and increase yields of oil and gas amount is drawn in the gas well gaslift under gas condensate reservoir fluid phase state situation of change, and establish gaslift and draw depth and increase yields of oil and gas magnitude relation curve, determine volume increase tolerance under the conditions of depth is drawn in different gaslifts, production gain.Therefore, it can simply, accurately predict that target condensate gas well uses the increase yields of oil and gas amount of gaslift measure.
Description
Technical field
The application belongs to condensate reservoir development technical field, and in particular to a kind of determining condensate gas well gaslift increase yields of oil and gas amount
Method and device thereof.
Background technique
Fracture hole type gas condensate reservoir is a kind of carbonate complex rock gas reservoir, both special with hole, hole, the fractured-vuggy reservoir of seam development
Sign, and the gas condensate reservoir feature with reservoir fluid phase-state change.In the process of development, it usually relies on natural energy and carries out failure
Formula exploitation, until condensate gas well needs that well stimulation is taken to carry out when well head oil pressure cannot meet the minimum pressure of external transport pipeline
Volume increase exploitation.Currently, including gaslift measure and cyclic water stimulation exploitation for the common yield increase of condensate gas well.Gas well connection
Gas condensate reservoir fluid phase state changes the effect for affecting gaslift measure, therefore, how in the feelings for considering gas condensate reservoir phase-state change
Target condensate gas well increase yields of oil and gas amount is determined under condition, to determine whether that taking gaslift well stimulation is one in conjunction with economic benefit
Major issue.
But the method whether existing determining condensate gas well takes gaslift well stimulation relies primarily on experience, by human factor
Be affected, and be unable to the increase yields of oil and gas amount after quantitative forecast measure.
Summary of the invention
A kind of method and device thereof for being designed to provide determining condensate gas well gaslift increase yields of oil and gas amount of this specification, with
Improve the accuracy of prediction condensate gas well gaslift increase yields of oil and gas amount.
In order to achieve the above objectives, on the one hand, present description provides a kind of determining condensate gas well gaslift increase yields of oil and gas amounts
Method, this method include：
Obtain the PVT parameter of target condensate gas well connection gas condensate reservoir；
Obtain target condensate gas well well control dynamic holdup；
On the basis of the PVT parameter and well control dynamic holdup of target condensate gas well connection gas condensate reservoir, foundation is examined
The relationship of depth, well control dynamic holdup and increase yields of oil and gas amount is drawn in gaslift in the case of worry gas condensate reservoir phase-state change；
Determine that the increasing oil and gas content under the conditions of depth is drawn in target condensate gas well difference gaslift.
In the method for above-mentioned determining condensate gas well gaslift increase yields of oil and gas amount, it is preferable that the gas condensate reservoir includes fracture hole
Type gas condensate reservoir.
In the method for above-mentioned determining condensate gas well gaslift increase yields of oil and gas amount, it is preferable that the target condensate gas well connection
The PVT parameter of gas condensate reservoir includes：Gas condensate reservoir pressure and gas volume factor relationship, gas condensate reservoir pressure and gas compression system
Retrograde condensate liquid volume and pressure dependence, constant volume depletion during number relationship, gas condensate reservoir pressure and condensate compressed coefficient relationship, failure
One of instantaneous producing gas-oil ratio and gas volume factor under the conditions of pressure dependence and original formation pressure or several in the process
Kind.
In the method for above-mentioned determining condensate gas well gaslift increase yields of oil and gas amount, it is preferable that the target condensate gas well connection
The PVT parameter of gas condensate reservoir includes：Gas condensate reservoir pressure and gas volume factor relationship, gas condensate reservoir pressure and gas compression system
Retrograde condensate liquid volume and pressure dependence, constant volume depletion during number relationship, gas condensate reservoir pressure and condensate compressed coefficient relationship, failure
Instantaneous producing gas-oil ratio and gas volume factor under the conditions of pressure dependence and original formation pressure in the process.
In the method for above-mentioned determining condensate gas well gaslift increase yields of oil and gas amount, it is preferable that the consideration condensate gas of foundation
Gaslift draws depth, well control dynamic holdup and the relationship of increase yields of oil and gas amount and includes in the case of hiding phase-state change：
Depth, well control dynamic holdup and the relational expression for increasing production tolerance are drawn in gaslift：
ΔQg=(GBgiCg(p)+Vo(p)GCo(p))(pb+ρtgh)Bg(p)；
Increase production the relational expression of tolerance and production gain：
ΔQo=Δ QgA(p)；
In co-relation formula, Δ QgFor the volume increase tolerance of gaslift measure, Δ QoFor the production gain of gaslift measure, G is condensate gas
Well well control dynamic holdup, BgiFor gas volume factor under the conditions of original formation pressure, CgIt (p) is gas condensate reservoir pressure and gas pressure
Contracting Relationship of Coefficients, VoIt (p) is retrograde condensate liquid volume and pressure dependence, C during failureoIt (p) is gas condensate reservoir pressure and condensation oil compression
Relationship of Coefficients, pbFor well head oil pressure, ρ before measuretFor downhole well fluid hybrid density, g is acceleration of gravity, and h is that depth is drawn in gaslift
(gas lift valve depth of setting), BgIt (p) is gas condensate reservoir pressure and gas volume factor relationship, A (p) is pressure during constant volume depletion
Power and instantaneous producing gas-oil ratio relationship.
In the method for above-mentioned determining condensate gas well gaslift increase yields of oil and gas amount, it is preferable that obtain the target condensate gas well
The mode of well control dynamic holdup includes：Material balance method or modern Production Decline Analysis method.
In the method for above-mentioned determining condensate gas well gaslift increase yields of oil and gas amount, it is preferable that the determining target condensate gas well
The increasing oil and gas content under the conditions of depth is drawn in different gaslifts, including：Depth, well control dynamic holdup and increase yields of oil and gas amount are drawn according to established gaslift
Relationship, establish different gaslifts and draw depth and production gain, volume increase tolerance relation curve, determine that condensation under the conditions of depth is drawn in different gaslifts
Production gain, volume increase tolerance are applied in gas well gas behave.
On the other hand, this specification additionally provides a kind of device of determining condensate gas well gaslift increase yields of oil and gas amount, the device
Including：
First parameter acquisition module, for obtaining the PVT parameter of target condensate gas well connection gas condensate reservoir；
Second parameter acquisition module, for obtaining target condensate gas well well control dynamic holdup；
Relationship establishes module, stores up for the PVT parameter and well control dynamic in target condensate gas well connection gas condensate reservoir
On the basis of amount, establishes gaslift in the case of considering gas condensate reservoir phase-state change and draw depth, well control dynamic holdup and increase yields of oil and gas amount
Relationship；
Increase oil and gas content determining module, for determining the increasing oil and gas content under the conditions of depth is drawn in target condensate gas well difference gaslift.
In the device of above-mentioned determining condensate gas well gaslift increase yields of oil and gas amount, it is preferable that the gas condensate reservoir includes fracture hole
Type gas condensate reservoir.
In the device of above-mentioned determining condensate gas well gaslift increase yields of oil and gas amount, it is preferable that the target condensate gas well connection
The PVT parameter of gas condensate reservoir includes：Gas condensate reservoir pressure and gas volume factor relationship, gas condensate reservoir pressure and gas compression system
Retrograde condensate liquid volume and pressure dependence, constant volume depletion during number relationship, gas condensate reservoir pressure and condensate compressed coefficient relationship, failure
One of instantaneous producing gas-oil ratio and gas volume factor under the conditions of pressure dependence and original formation pressure or several in the process
Kind.
In the device of above-mentioned determining condensate gas well gaslift increase yields of oil and gas amount, it is preferable that the target condensate gas well connection
The PVT parameter of gas condensate reservoir includes：Gas condensate reservoir pressure and gas volume factor relationship, gas condensate reservoir pressure and gas compression system
Retrograde condensate liquid volume and pressure dependence, constant volume depletion during number relationship, gas condensate reservoir pressure and condensate compressed coefficient relationship, failure
Instantaneous producing gas-oil ratio and gas volume factor under the conditions of pressure dependence and original formation pressure in the process.
In the device of above-mentioned determining condensate gas well gaslift increase yields of oil and gas amount, it is preferable that the consideration condensate gas of foundation
Gaslift draws depth, well control dynamic holdup and the relationship of increase yields of oil and gas amount and includes in the case of hiding phase-state change：
Depth, well control dynamic holdup and the relational expression for increasing production tolerance are drawn in gaslift：
ΔQg=(GBgiCg(p)+Vo(p)GCo(p))(pb+ρtgh)Bg(p)；
Increase production the relational expression of tolerance and production gain：
ΔQo=Δ QgA(p)；
In co-relation formula, Δ QgFor the volume increase tolerance of gaslift measure, Δ QoFor the production gain of gaslift measure, G is condensate gas
Well well control dynamic holdup, BgiFor gas volume factor under the conditions of original formation pressure, CgIt (p) is gas condensate reservoir pressure and gas pressure
Contracting Relationship of Coefficients, VoIt (p) is retrograde condensate liquid volume and pressure dependence, C during failureoIt (p) is gas condensate reservoir pressure and condensation oil compression
Relationship of Coefficients, pbFor well head oil pressure, ρ before measuretFor downhole well fluid hybrid density, g is acceleration of gravity, and h is that depth is drawn in gaslift
(gas lift valve depth of setting), BgIt (p) is gas condensate reservoir pressure and gas volume factor relationship, A (p) is pressure during constant volume depletion
Power and instantaneous producing gas-oil ratio relationship.
In the device of above-mentioned determining condensate gas well gaslift increase yields of oil and gas amount, it is preferable that obtain the target condensate gas well
The mode of well control dynamic holdup includes：Material balance method or modern Production Decline Analysis method.
In the device of above-mentioned determining condensate gas well gaslift increase yields of oil and gas amount, it is preferable that the determining target condensate gas well
The increasing oil and gas content under the conditions of depth is drawn in different gaslifts, including：Depth, well control dynamic holdup and increase yields of oil and gas amount are drawn according to established gaslift
Relationship, establish different gaslifts and draw depth and production gain, volume increase tolerance relation curve, determine that condensation under the conditions of depth is drawn in different gaslifts
Production gain, volume increase tolerance are applied in gas well gas behave.
The method and device thereof for the determination condensate gas well gaslift increase yields of oil and gas amount that this specification provides, by considering that target is solidifying
Gassing well is connected to the geology characteristic of gas condensate reservoir and the technology characteristics of gaslift measure, determines to consider that gas condensate reservoir fluid phase state becomes
The relationship of depth, well control dynamic holdup and increase yields of oil and gas amount is drawn in gas well gaslift in the case of change, and is established gaslift and drawn deep and volume increase oil
The relation curve of tolerance determines volume increase tolerance under the conditions of depth is drawn in different gaslifts, production gain.So as to quantitative prediction condensation
Gas well gaslift increase yields of oil and gas amount.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of this specification embodiment or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is only some embodiments recorded in this specification, for those of ordinary skill in the art, is not paying creative labor
Under the premise of dynamic property, it is also possible to obtain other drawings based on these drawings.In the accompanying drawings：
Fig. 1 is the process that fracture hole type condensate gas well gaslift increase yields of oil and gas amount method is determined in a kind of embodiment of this specification
Figure；
Fig. 2 is the structure that fracture hole type condensate gas well gaslift increase yields of oil and gas amount device is determined in a kind of embodiment of this specification
Block diagram；
Fig. 3 is gas condensate reservoir pressure and gas volume factor, gas compression in a kind of illustrative embodiments of this specification
The graph of relation of Relationship of Coefficients, the condensate compressed coefficient；
Fig. 4 is retrograde condensate liquid volume during gas condensate reservoir pressure and failure in a kind of illustrative embodiments of this specification, fixed
Hold the graph of relation of instantaneous producing gas-oil ratio in failure progression；
Fig. 5 is that deep and volume increase gas is drawn in the target condensate gas well gaslift obtained in a kind of illustrative embodiments of this specification
The graph of relation of amount, production gain.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in mode is applied, the technical solution in the application embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of embodiment of the application, rather than whole embodiments.Based on the embodiment party in the application
Formula, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, is all answered
When the range for belonging to the application protection.
Refering to what is shown in Fig. 1, determining condensate gas well gaslift increase yields of oil and gas amount in a kind of embodiment that this specification provides
Method may include following steps：
S101, the PVT parameter for obtaining target condensate gas well connection gas condensate reservoir.
In some embodiments of this specification, the condensate gas well gaslift volume increase oil of most of gas condensate reservoirs can be applied to
The prediction of tolerance.In some preferred embodiments, this method is particularly suitable for the big fracture hole type gas condensate reservoir of prediction difficulty.
In some embodiments of this specification, the PVT parameter of target condensate gas well connection gas condensate reservoir is and condensate gas
It hides fluid phase state and changes relevant parameter.May include：Gas condensate reservoir pressure and gas volume factor relationship, gas condensate reservoir pressure
With retrograde condensate liquid volume and pressure during gas compressibility factor relationship, gas condensate reservoir pressure and condensate compressed coefficient relationship, failure
Gas volume factor under the conditions of instantaneous producing gas-oil ratio and pressure dependence and original formation pressure during relationship, constant volume depletion
One or more of.
In some embodiments of this specification, the PVT parameter of target condensate gas well connection gas condensate reservoir is and condensate gas
Hiding fluid phase state changes relevant parameter：Gas condensate reservoir pressure and gas volume factor relationship, gas condensate reservoir pressure and gas
Retrograde condensate liquid volume and pressure dependence during volume compressibility relationship, gas condensate reservoir pressure and condensate compressed coefficient relationship, failure,
Instantaneous producing gas-oil ratio and gas volume factor under the conditions of pressure dependence and original formation pressure during constant volume depletion.
S102, target condensate gas well well control dynamic holdup is obtained.
In some embodiments of this specification, the method for obtaining target condensate gas well well control dynamic holdup can be ability
Domain usual manner.Such as：Material balance method or modern Production Decline Analysis method.
S103, the target condensate gas well connection gas condensate reservoir PVT parameter and well control dynamic holdup on the basis of, build
The relationship of depth, well control dynamic holdup and increase yields of oil and gas amount is drawn in gaslift in the case of vertical consideration gas condensate reservoir phase-state change.
In some embodiments of this specification, can by multiple parameters relevant to the variation of gas condensate reservoir fluid phase state,
It establishes gaslift and draws the relationship of depth, well control dynamic holdup and increase yields of oil and gas amount, to obtain the higher quantitative forecasting technique of accuracy.
In some embodiments of this specification, gaslift is drawn in the case of the consideration gas condensate reservoir phase-state change of foundation
Deep, well control dynamic holdup and the relationship of increase yields of oil and gas amount include：
Depth, well control dynamic holdup and the relational expression for increasing production tolerance are drawn in gaslift：
ΔQg=(GBgiCg(p)+Vo(p)GCo(p))(pb+ρtgh)Bg(p)；
Increase production the relational expression of tolerance and production gain：
ΔQo=Δ QgA(p)；
In co-relation formula, Δ QgFor the volume increase tolerance of gaslift measure, Δ QoFor the production gain of gaslift measure, G is condensate gas
Well well control dynamic holdup, BgiFor gas volume factor under the conditions of original formation pressure, CgIt (p) is gas condensate reservoir pressure and gas pressure
Contracting Relationship of Coefficients, VoIt (p) is retrograde condensate liquid volume and pressure dependence, C during failureoIt (p) is gas condensate reservoir pressure and condensation oil compression
Relationship of Coefficients, pbFor well head oil pressure, ρ before measuretFor downhole well fluid hybrid density, g is acceleration of gravity, and h is that depth is drawn in gaslift
(gas lift valve depth of setting), BgIt (p) is gas condensate reservoir pressure and gas volume factor relationship, A (p) is pressure during constant volume depletion
Power and instantaneous producing gas-oil ratio relationship.
S104, determine that the increasing oil and gas content under the conditions of depth is drawn in target condensate gas well difference gaslift.
In some embodiments of this specification, depth, well control dynamic holdup and volume increase oil are drawn according to the gaslift that S103 is established
The relationship of tolerance can determine condensate gas well gaslift measure increase yields of oil and gas amount under the conditions of depth is drawn in different gaslifts.
In some embodiments of this specification, depth, well control dynamic holdup and increase yields of oil and gas can be drawn according to established gaslift
The relationship of amount establishes different gaslifts and draws depth and production gain, volume increase tolerance relation curve, determines and coagulate under the conditions of depth is drawn in different gaslifts
Production gain, volume increase tolerance are applied in gassing gas well gas behave.
Although procedures described above process includes the multiple operations occurred with particular order, it should however be appreciated that understand,
These processes may include more or fewer operations, these operations can be executed sequentially or be executed parallel (such as using parallel
Processor or multi-thread environment).
One illustrative embodiments of this specification are described below, it is specific as follows：
S101, the PVT parameter for obtaining target condensate gas well connection gas condensate reservoir.
It can be according to SY/T 5543 (gas condensate reservoir physical properties of fluids analysis method) and (the condensate gas fluid phase state of SY/T 6101
Feature determines technical requirements), determine the PVT parameter of target condensate gas well connection gas condensate reservoir.Wherein, specifically, can obtain：
Gas condensate reservoir pressure and gas volume factor relationship, gas condensate reservoir pressure and gas compressibility factor relationship, gas condensate reservoir pressure and
Condensate compressed coefficient relationship, refering to what is shown in Fig. 3, being pressed during retrograde condensate liquid volume and pressure dependence, constant volume depletion during failure
Power and instantaneous producing gas-oil ratio relationship, refering to what is shown in Fig. 4, gas volume factor is 0.003 under the conditions of original formation pressure.
S102, target condensate gas well well control dynamic holdup is obtained.
The case where gas condensate reservoir being connected to according to target condensate gas well, calculates well by modern Production Decline Analysis method
Controlling dynamic holdup is 1.36 × 108m3。
S103, the target condensate gas well connection gas condensate reservoir PVT parameter and well control dynamic holdup on the basis of, build
The relationship of depth, well control dynamic holdup and increase yields of oil and gas amount is drawn in gaslift in the case of vertical consideration gas condensate reservoir phase-state change.
Can according to following formula establish consider gas condensate reservoir phase-state change in the case of gaslift draw depth, well control dynamic holdup with
Increase production the relationship of tolerance：
ΔQg=(GBgiCg(p)+Vo(p)GCo(p))(pb+ρtgh)Bg(p)；
The relationship of volume increase tolerance and production gain is established according to following formula：
ΔQo=Δ QgA(p)；
Wherein, Δ QgFor the volume increase tolerance of gaslift measure, Δ QoFor the production gain of gaslift measure, G is condensate gas well well control
Dynamic holdup, BgiFor gas volume factor under the conditions of original formation pressure, CgIt (p) is gas condensate reservoir pressure and gas compressibility factor
Relationship, VoIt (p) is retrograde condensate liquid volume and pressure dependence, C during failureo(p) it is closed for gas condensate reservoir pressure and the condensate compressed coefficient
System, pbFor well head oil pressure, ρ before measuretFor downhole well fluid hybrid density, g is acceleration of gravity, and h is that depth (gas lift valve is drawn in gaslift
Depth of setting), BgIt (p) is gas condensate reservoir pressure and gas volume factor relationship, A (p) is pressure and wink during constant volume depletion
When producing gas-oil ratio relationship.
Specifically, the gas condensate reservoir PVT parameters relationship under relevant pressure can be obtained by interpolation calculation.
S104, determine that the increase yields of oil and gas amount under the conditions of depth is drawn in target condensate gas well difference gaslift.
In the case of the considerations of being established according to step S103 gas condensate reservoir phase-state change gaslift draw depth, well control dynamic holdup with
The relationship of increase yields of oil and gas amount establishes different gaslifts and draws depth and production gain, volume increase tolerance relation curve, refering to what is shown in Fig. 5, determining
Condensate gas well gaslift measure volume increase tolerance is 0.25 × 10 under the conditions of deep 4000m is drawn in gaslift8m3, production gain be 0.71 ×
104m3。
It can be seen from the above description that the determination fracture hole type gas condensate reservoir gaslift increase yields of oil and gas that this specification provides
The method of amount, by considering that target condensate gas well is connected to the geological condition of gas condensate reservoir and the implementation feature of gaslift well stimulation,
Determine to consider that depth, well control dynamic holdup and increase yields of oil and gas amount are drawn in the gas well gaslift under gas condensate reservoir fluid phase state situation of change
Relationship, and establish gaslift and draw depth and increase yields of oil and gas magnitude relation curve, it determines the volume increase tolerance under the conditions of depth is drawn in different gaslifts, increase production
Oil mass.Therefore, can it is simple, accurately determine out the increase yields of oil and gas amount that target condensate gas well uses gaslift measure, thus in conjunction with
The expense cost of gaslift measure investment is made with ensuring to carry out gaslift volume increase under the conditions of measure can reach preferable economic benefit
Industry.
Refering to what is shown in Fig. 2, the device packet for the determination condensate gas well gaslift increase yields of oil and gas amount that this specification embodiment provides
It includes：
S201, the first parameter acquisition module, for obtaining the PVT parameter of target condensate gas well connection gas condensate reservoir；
S202, the second parameter acquisition module, for obtaining target condensate gas well well control dynamic holdup；
S203, relationship establish module, dynamic for the PVT parameter and well control in target condensate gas well connection gas condensate reservoir
On the basis of state reserves, establishes gaslift in the case of considering gas condensate reservoir phase-state change and draw depth, well control dynamic holdup and increase yields of oil and gas
The relationship of amount；
S204, increase oil and gas content determining module, for determining the increasing oil gas under the conditions of depth is drawn in target condensate gas well difference gaslift
Amount.
Since the principle that the device solves the problems, such as is similar to the method for fracture hole type condensate gas well gaslift increase yields of oil and gas amount is determined,
Accordingly, it is determined that the implementation of the device of fracture hole type condensate gas well gaslift increase yields of oil and gas amount may refer to determine fracture hole type condensate gas gas well gas
The implementation of the method for increase yields of oil and gas amount is lifted, overlaps will not be repeated.
For convenience of description, it is divided into various units when description apparatus above with function to describe respectively.Certainly, implementing this
The function of each unit can be realized in the same or multiple software and or hardware when specification.
This specification is referring to the method, equipment (system) and computer program product according to this specification embodiment
Flowchart and/or the block diagram describes.It should be understood that can be realized by computer program instructions every in flowchart and/or the block diagram
The combination of process and/or box in one process and/or box and flowchart and/or the block diagram.It can provide these computers
Processor of the program instruction to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices
To generate a machine, so that generating use by the instruction that computer or the processor of other programmable data processing devices execute
In the dress for realizing the function of specifying in one or more flows of the flowchart and/or one or more blocks of the block diagram
It sets.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
In a typical configuration, calculating equipment includes one or more processors (CPU), input/output interface, net
Network interface and memory.
Memory may include the non-volatile memory in computer-readable medium, random access memory (RAM) and/or
The forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is computer-readable medium
Example.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology come realize information store.Information can be computer readable instructions, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase change memory (PRAM), static random access memory (SRAM), moves
State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable
Programmable read only memory (EEPROM), flash memory or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM),
Digital versatile disc (DVD) or other optical storage, magnetic cassettes, tape magnetic disk storage or other magnetic storage devices
Or any other non-transmission medium, can be used for storage can be accessed by a computing device information.As defined in this article, it calculates
Machine readable medium does not include temporary computer readable media (transitory media), such as the data-signal and carrier wave of modulation.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
It include so that the process, method, commodity or the equipment that include a series of elements not only include those elements, but also to wrap
Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described want
There is also other identical elements in the process, method of element, commodity or equipment.
It will be understood by those skilled in the art that the embodiment of this specification can provide as the production of method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or implementation combining software and hardware aspects can be used in this specification
The form of example.Moreover, it wherein includes the computer of computer usable program code that this specification, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
This specification can describe in the general context of computer-executable instructions executed by a computer, such as journey
Sequence module.Generally, program module include routines performing specific tasks or implementing specific abstract data types, programs, objects,
Component, data structure etc..This specification can also be practiced in a distributed computing environment, in these distributed computing environment
In, by executing task by the connected remote processing devices of communication network.In a distributed computing environment, program module
It can be located in the local and remote computer storage media including storage equipment.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system reality
For applying example, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring to embodiment of the method
Part explanation.
The foregoing is merely the embodiments of this specification, are not limited to this specification.For art technology
For personnel, this specification can have various modifications and variations.It is all made any within the spirit and principle of this specification
Modification, equivalent replacement, improvement etc., should be included within the scope of the claims of this specification.
Claims (12)
1. a kind of method of determining condensate gas well gaslift increase yields of oil and gas amount, which is characterized in that this method includes：
Obtain the PVT parameter of target condensate gas well connection gas condensate reservoir；
Obtain target condensate gas well well control dynamic holdup；
On the basis of the PVT parameter and well control dynamic holdup of target condensate gas well connection gas condensate reservoir, establishes and consider to coagulate
The relationship of depth, well control dynamic holdup and increase yields of oil and gas amount is drawn in gaslift in the case of gassing hiding phase-state change；
Determine that the increasing oil and gas content under the conditions of depth is drawn in target condensate gas well difference gaslift.
2. the method for determining condensate gas well gaslift increase yields of oil and gas amount according to claim 1, which is characterized in that the condensation
Gas reservoir includes fracture hole type gas condensate reservoir.
3. the method for determining condensate gas well gaslift increase yields of oil and gas amount according to claim 1, which is characterized in that the target
Condensate gas well connection gas condensate reservoir PVT parameter include：
Gas condensate reservoir pressure and gas volume factor relationship, gas condensate reservoir pressure and gas compressibility factor relationship, gas condensate reservoir pressure
Gas is instantaneously produced during retrograde condensate liquid volume and pressure dependence, constant volume depletion during power and condensate compressed coefficient relationship, failure
One or more of oil ratio and gas volume factor under the conditions of pressure dependence and original formation pressure；
Preferably, gas condensate reservoir pressure and gas volume factor relationship, gas condensate reservoir pressure and gas compressibility factor relationship, condensation
Gas reservoir pressure with it is instantaneous during retrograde condensate liquid volume during condensate compressed coefficient relationship, failure and pressure dependence, constant volume depletion
Gas volume factor under the conditions of producing gas-oil ratio and pressure dependence and original formation pressure.
4. the method for determining condensate gas well gaslift increase yields of oil and gas amount according to claim 3, which is characterized in that the institute of foundation
Gaslift in the case of considering gas condensate reservoir phase-state change is stated to draw depth, well control dynamic holdup and the relationship of increase yields of oil and gas amount and include：
Depth, well control dynamic holdup and the relational expression for increasing production tolerance are drawn in gaslift：
ΔQg=(GBgiCg(p)+Vo(p)GCo(p))(pb+ρtgh)Bg(p)；
Increase production the relational expression of tolerance and production gain：
ΔQo=Δ QgA(p)；
In co-relation formula, Δ QgFor the volume increase tolerance of gaslift measure, Δ QoFor the production gain of gaslift measure, G is condensate gas well well
Control dynamic holdup, BgiFor gas volume factor under the conditions of original formation pressure, CgIt (p) is gas condensate reservoir pressure and gas compression system
Number relationship, VoIt (p) is retrograde condensate liquid volume and pressure dependence, C during failureoIt (p) is gas condensate reservoir pressure and the condensate compressed coefficient
Relationship, pbFor well head oil pressure, ρ before measuretFor downhole well fluid hybrid density, g is acceleration of gravity, and h is that depth (gaslift is drawn in gaslift
Valve depth of setting), Bg(p) be gas condensate reservoir pressure and gas volume factor relationship, A (p) be during constant volume depletion pressure with
Instantaneous producing gas-oil ratio relationship.
5. the method for determining condensate gas well gaslift increase yields of oil and gas amount according to claim 1, which is characterized in that described in acquisition
The mode of target condensate gas well well control dynamic holdup includes：Material balance method or modern Production Decline Analysis method.
6. the method for determining condensate gas well gaslift increase yields of oil and gas amount according to claim 1, which is characterized in that the determination
The increasing oil and gas content under the conditions of depth is drawn in target condensate gas well difference gaslift, including：
The relationship that depth, well control dynamic holdup and increase yields of oil and gas amount are drawn according to established gaslift establishes different gaslifts and draws deep and volume increase
Oil mass, volume increase tolerance relation curve determine condensate gas well gaslift measure production gain under the conditions of depth is drawn in different gaslifts, volume increase gas
Amount.
7. a kind of device of determining condensate gas well gaslift increase yields of oil and gas amount, which is characterized in that the device includes：
First parameter acquisition module, for obtaining the PVT parameter of target condensate gas well connection gas condensate reservoir；
Second parameter acquisition module, for obtaining target condensate gas well well control dynamic holdup；
Relationship establishes module, for the PVT parameter and well control dynamic holdup in target condensate gas well connection gas condensate reservoir
On the basis of, establish the relationship that depth, well control dynamic holdup and increase yields of oil and gas amount are drawn in gaslift in the case of considering gas condensate reservoir phase-state change；
Increase oil and gas content determining module, for determining the increasing oil and gas content under the conditions of depth is drawn in target condensate gas well difference gaslift.
8. the method for determining condensate gas well gaslift increase yields of oil and gas amount according to claim 7, which is characterized in that the condensation
Gas reservoir includes fracture hole type gas condensate reservoir.
9. the method for determining condensate gas well gaslift increase yields of oil and gas amount according to claim 7, which is characterized in that the target
Condensate gas well connection gas condensate reservoir PVT parameter include：
Gas condensate reservoir pressure and gas volume factor relationship, gas condensate reservoir pressure and gas compressibility factor relationship, gas condensate reservoir pressure
Gas is instantaneously produced during retrograde condensate liquid volume and pressure dependence, constant volume depletion during power and condensate compressed coefficient relationship, failure
One or more of oil ratio and gas volume factor under the conditions of pressure dependence and original formation pressure；
Preferably, gas condensate reservoir pressure and gas volume factor relationship, gas condensate reservoir pressure and gas compressibility factor relationship, condensation
Gas reservoir pressure with it is instantaneous during retrograde condensate liquid volume during condensate compressed coefficient relationship, failure and pressure dependence, constant volume depletion
Gas volume factor under the conditions of producing gas-oil ratio and pressure dependence and original formation pressure.
10. the method for determining condensate gas well gaslift increase yields of oil and gas amount according to claim 9, which is characterized in that foundation
Gaslift draws depth, well control dynamic holdup and the relationship of increase yields of oil and gas amount and includes in the case of the consideration gas condensate reservoir phase-state change：
Depth, well control dynamic holdup and the relational expression for increasing production tolerance are drawn in gaslift：
ΔQg=(GBgiCg(p)+Vo(p)GCo(p))(pb+ρtgh)Bg(p)；
Increase production the relational expression of tolerance and production gain：
ΔQo=Δ QgA(p)；
In co-relation formula, Δ QgFor the volume increase tolerance of gaslift measure, Δ QoFor the production gain of gaslift measure, G is condensate gas well well
Control dynamic holdup, BgiFor gas volume factor under the conditions of original formation pressure, CgIt (p) is gas condensate reservoir pressure and gas compression system
Number relationship, VoIt (p) is retrograde condensate liquid volume and pressure dependence, C during failureoIt (p) is gas condensate reservoir pressure and the condensate compressed coefficient
Relationship, pbFor well head oil pressure, ρ before measuretFor downhole well fluid hybrid density, g is acceleration of gravity, and h is that depth (gaslift is drawn in gaslift
Valve depth of setting), Bg(p) be gas condensate reservoir pressure and gas volume factor relationship, A (p) be during constant volume depletion pressure with
Instantaneous producing gas-oil ratio relationship.
11. the method for determining condensate gas well gaslift increase yields of oil and gas amount according to claim 7, which is characterized in that obtain institute
The mode for stating target condensate gas well well control dynamic holdup includes：Material balance method or modern Production Decline Analysis method.
12. the method for determining condensate gas well gaslift increase yields of oil and gas amount according to claim 7, which is characterized in that described true
The increasing oil and gas content under the conditions of depth is drawn in the condensate gas well difference gaslift that sets the goal, including：
The relationship that depth, well control dynamic holdup and increase yields of oil and gas amount are drawn according to established gaslift establishes different gaslifts and draws deep and volume increase
Oil mass, volume increase tolerance relation curve determine condensate gas well gaslift measure production gain under the conditions of depth is drawn in different gaslifts, volume increase gas
Amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810666702.1A CN108868724B (en) | 2018-06-26 | 2018-06-26 | Method and device for determining gas lift production increasing oil and gas quantity of condensate gas well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810666702.1A CN108868724B (en) | 2018-06-26 | 2018-06-26 | Method and device for determining gas lift production increasing oil and gas quantity of condensate gas well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108868724A true CN108868724A (en) | 2018-11-23 |
| CN108868724B CN108868724B (en) | 2020-09-08 |
Family
ID=64295667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810666702.1A Active CN108868724B (en) | 2018-06-26 | 2018-06-26 | Method and device for determining gas lift production increasing oil and gas quantity of condensate gas well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108868724B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113536201A (en) * | 2020-04-21 | 2021-10-22 | 中国石油天然气股份有限公司 | Method and device for determining natural gas volume coefficient of condensate gas reservoir |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060027372A1 (en) * | 2004-08-09 | 2006-02-09 | Shaposhnikov Vladimir M | Device for improving oil and gas recovery in wells |
| CN104632187A (en) * | 2013-11-14 | 2015-05-20 | 中国石油化工股份有限公司 | Method for determining dynamic reserve volume of water production coal seam gas well |
| CN105003235A (en) * | 2015-07-29 | 2015-10-28 | 塔里木油田分公司勘探开发研究院 | Method for improving condensate oil recovery ratio through injecting water into fracture-cave type carbonate condensate gas reservoir |
| CN107989603A (en) * | 2016-10-26 | 2018-05-04 | 中国石油天然气股份有限公司 | A kind of Forecasting Methodology of High water cut densification gas condensate reservoir dry gas throughput prediction |
-
2018
- 2018-06-26 CN CN201810666702.1A patent/CN108868724B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060027372A1 (en) * | 2004-08-09 | 2006-02-09 | Shaposhnikov Vladimir M | Device for improving oil and gas recovery in wells |
| CN104632187A (en) * | 2013-11-14 | 2015-05-20 | 中国石油化工股份有限公司 | Method for determining dynamic reserve volume of water production coal seam gas well |
| CN105003235A (en) * | 2015-07-29 | 2015-10-28 | 塔里木油田分公司勘探开发研究院 | Method for improving condensate oil recovery ratio through injecting water into fracture-cave type carbonate condensate gas reservoir |
| CN107989603A (en) * | 2016-10-26 | 2018-05-04 | 中国石油天然气股份有限公司 | A kind of Forecasting Methodology of High water cut densification gas condensate reservoir dry gas throughput prediction |
Non-Patent Citations (1)
| Title |
|---|
| 张成林等: "气举井潜力分析", 《技术研究》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113536201A (en) * | 2020-04-21 | 2021-10-22 | 中国石油天然气股份有限公司 | Method and device for determining natural gas volume coefficient of condensate gas reservoir |
| CN113536201B (en) * | 2020-04-21 | 2023-09-26 | 中国石油天然气股份有限公司 | Method and device for determining volume coefficient of natural gas in condensate gas reservoir |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108868724B (en) | 2020-09-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10858931B2 (en) | Enhancing reservoir production optimization through integrating inter-well tracers | |
| CN108804819A (en) | A kind of low permeability gas reservoirs dynamic holdup evaluation method | |
| CN107339087B (en) | A kind of water injection rate splits a point method and device | |
| CN109034447A (en) | A kind of prediction technique and device of the variation of water-drive pool water_bearing escalating rate | |
| CN111101929B (en) | Method, device and system for calculating average formation pressure of oil and gas reservoir | |
| CN106896406B (en) | Method and apparatus based on impedance Domain Properties prediction High-quality Reservoir | |
| CN109829217A (en) | Pressure break Fractured Reservoir productivity simulation method and device | |
| CN106761602B (en) | Method and device for determining production conditions of oil well | |
| Chupin et al. | Integrated wellbore/reservoir model predicts flow transients in liquid-loaded gas wells | |
| CN108952676A (en) | A kind of shale gas reservoir heterogeneity evaluation method and its device | |
| Gao et al. | The development of a coupled geomechanics and reservoir simulator using a staggered grid finite difference approach | |
| CN108363114B (en) | Fine and close oil dessert area's evaluation method and device | |
| CN108868724A (en) | A kind of method and device thereof of determining condensate gas well gaslift increase yields of oil and gas amount | |
| US11988794B2 (en) | Accommodating non-Darcian effects of slip flow and Knudsen diffusion on gas flow for use in reservoir simulations | |
| CN106960264B (en) | Low-permeability conglomerate stratum pressure prediction method and device | |
| CN111119808B (en) | Construction method of oil field injection-production relation model and identification method of oil field injection-production relation | |
| CN106529147B (en) | A kind of determining oil and gas reserves and water body full scale process and device | |
| CN108510111A (en) | A kind of method and device of prediction annular space supercharging | |
| CN107975364A (en) | A kind of method and device on definite gas well limit sediment outflow opportunity | |
| CN115522909A (en) | Single well model size determination method and device based on numerical simulation | |
| CN113392372A (en) | Gas well full-life-cycle unobstructed flow determination method and system | |
| Ligen et al. | Method for deliverability prediction of well in gas storage converted from gas reservoir in China | |
| CN109063228A (en) | A kind of determination method and device of water-drive pool water_bearing escalating rate variation | |
| CN112112639A (en) | Method and system for determining formation pressure under condensate gas reservoir circulating gas injection condition | |
| Wang et al. | Reserve estimation from early time production data in geopressured gas reservoir: gas production of cumulative unit pressure drop method |
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 |