CN111075431A - Test oil and gas parameter recorder, and operation state mode identification method and system - Google Patents
Test oil and gas parameter recorder, and operation state mode identification method and system Download PDFInfo
- Publication number
- CN111075431A CN111075431A CN202010020886.1A CN202010020886A CN111075431A CN 111075431 A CN111075431 A CN 111075431A CN 202010020886 A CN202010020886 A CN 202010020886A CN 111075431 A CN111075431 A CN 111075431A
- Authority
- CN
- China
- Prior art keywords
- tension
- oil
- pulley
- pipe
- swab
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000005086 pumping Methods 0.000 claims abstract description 56
- 239000000725 suspension Substances 0.000 claims abstract description 32
- 230000005484 gravity Effects 0.000 claims description 18
- 238000003909 pattern recognition Methods 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 6
- 238000012567 pattern recognition method Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 16
- 239000012530 fluid Substances 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000003129 oil well Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000009096 changqing Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000191291 Abies alba Species 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
Abstract
The invention discloses a test oil and gas parameter recorder, an operation state mode identification method and a system, the test oil and gas parameter recorder based on tension change is provided with a tension suspension assembly, at least one end of the tension suspension assembly is fixed, and at least one end of the tension suspension assembly is connected with an oil pipe to be lifted or a swab to be lifted; and a tension sensor is arranged at the fixed end of the tension suspension component. A working state mode identification method is characterized in that a test oil gas parameter recorder based on tension change is used for collecting tension data, and the working state is identified through a tension data time change curve; the operation state comprises tubing running operation, tubing lifting operation and pumping operation. The oil test system can effectively record oil test operation parameters, remotely monitor the operation state, monitor the oil pumping amount to a certain extent and realize operation monitoring.
Description
Technical Field
The disclosure belongs to the field of oil and gas well detection, and particularly relates to a test oil and gas parameter recorder, and an operation state mode identification method and system.
Background
The test of oil (gas) testing is the key to the achievement of oil and gas exploration, is the most direct means for finding oil and gas fields and knowing the underground condition, and is also an important link for providing scientific basis for development.
The specific flow is that the oil testing worker starts to perform the operations of 'testing, exploring and lifting' after the oil testing worker is ready to work. The test is a pressure test, and the sealing performance of the wellhead Christmas tree and the underground casing is detected; the oil pipe is drilled, namely, the oil pipe is continuously deepened to the bottom of the well, and in order to accurately record oil testing data in subsequent work, a well bore is washed by clean water for an oil testing worker. Then, the oil testing worker also participates in the well logging and perforating operation, and the prepared special liquid medicine is driven into the well by a pump truck and is conveyed to a well section to be perforated, so that the pollution to the stratum of the well section to be perforated is reduced. And (3) swabbing and sampling, namely performing up-and-down reciprocating motion on the swab in the oil pipe to induce flow in an oil-gas reservoir, and extracting an oil sample, a gas sample and a water sample for analysis. And finally, lifting the oil pipe, namely lifting all the oil pipes which are lowered into the whole well casing. The lifted oil pipe must be placed orderly so as to calculate the length of the oil pipe and the well depth.
In the traditional oil and gas testing operation process, the 'detecting' and 'lifting' processes of oil pipe descending and oil pipe lifting are not completely recorded, and the number of the oil pipes descending/ascending is judged by the memory of an oil tester. The recording of parameters such as speed, start-stop time and the like in the process of lowering and lifting the oil pipe is also finished mainly by the recording of workers. And in the oil pumping induced flow process, recording is carried out by depending on a pilot. The difficulty in obtaining real oil testing data is greatly increased.
Disclosure of Invention
The purpose of the disclosure is to provide a test oil gas parameter recorder, an operation state mode identification method and a system aiming at the problem that the test oil operation parameters cannot be effectively recorded through a single sensor in the existing production operation process, and the operation state can be remotely monitored.
In order to realize the aim of the invention, the oil and gas testing parameter recorder based on tension change is provided with a tension suspension assembly, at least one end of the tension suspension assembly is fixed, and at least one end of the tension suspension assembly is connected with an oil pipe to be lifted and placed or a swab to be lifted and placed;
and a tension sensor is arranged at the fixed end of the tension suspension component.
Optionally, the tension sensor is of the type FYZLY-101.
Optionally, the tension suspension assembly is a pulley assembly, the pulley assembly is at least provided with a first pulley and a second pulley, the first pulley is a fixed pulley, the second pulley is a movable pulley, and a first pull rope is arranged around the first pulley and the second pulley in a penetrating manner;
and an oil pipe to be lifted or a swab to be lifted is hung on the second pulley.
Optionally, the tension suspension assembly further comprises a third pulley, and the third pulley is connected with the second pulley in a suspension manner; a second pull rope is wound on the third pulley;
the free end of the second pull rope is hung on an oil pipe to be lifted or a swab to be lifted.
Optionally, the system further comprises a workover rig, wherein the workover rig provides power for the tension suspension assembly.
In order to achieve the aim of the invention, the invention provides an operation state mode identification method, which comprises the steps of collecting tension data by using a test oil gas parameter recorder and identifying an operation state through a tension-time change curve; the operation state comprises tubing running operation, tubing lifting operation and pumping operation.
Optionally, judging the operation state according to the tension pulse change value; the tension measured by the tension sensor when the oil pipe or the swab is not suspended is F, the unit is N, the tensions collected by the tension sensor form a one-dimensional array according to the time(s) sequence, and the relation between the one-dimensional array and the time is Fn(t), pulse value fn(t)＝Fn(t) -F; n represents a data number of tension measurement at a certain time, and n is a natural number which is not zero;
Sn＝max[fn(t)]-max[f(n-1)(t)]
Snsetting the weight of a single oil pipe as G for the tension pulse variation valuePipeIn the unit of N;
when S isnGreater than 0, and (Sn-G)Pipe)＜(GPipe10), judging that the current state is oil pipe lowering operation;
when S isnLess than 0, and | Sn-GPipe|＜(GPipe10), judging that the current state is oil pipe lifting operation;
when 10S are continuousnIs < G | Sn | (G)Pipe10), the current status is determined to be pumping operation.
Optionally, the pumping process further comprises starting to lower the swab, positioning the swab on the working fluid level, reaching the pumping depth, lifting the swab, starting to discharge liquid from the swab, and reaching the wellhead; and performing the correspondence of the tension-time change curve waveform according to the states of the starting of the downward placement of the swab, the position of the swab on the working fluid level, the arrival of the swab at the depth of the swab, the upward lifting process of the swab, the starting of the liquid discharge of the swab and the arrival of the swab at the wellhead corresponding to the actual swab.
Optionally, the method further comprises oil pumping weight identification, specifically comprising:
calculating the weight of the oil pumping when the pumping operation is currently performed:
moil＝[Fn(t)-Fn-1(t)]a/2*sinθ*g+ρRope(Hn-Hn-1)；
mOilThe mass of oil discharged for a single pumping; the pulley winding between the first pulley and the second pulley is a, rhoRopeLinear density of the cord, unit: kg/m; the stress included angle between the tension sensor and the rope is theta and DEG; g is a gravity constant, 9.8N/Kg; fn(t)Tension, N, collected by a tensiometer at a certain moment; hnThe depth m from the swab to the well head at a certain time.
In order to achieve the aim of the invention, the operation state pattern recognition system is provided with an operation state pattern recognition module, wherein the operation state pattern recognition module collects tension data based on a test oil-gas parameter recorder, establishes a tension-time change curve and judges the operation state according to a tension pulse change value; the operation state comprises tubing running operation, tubing lifting operation and swabbing operation; the pumping operation comprises the steps of starting to lower the swab, enabling the swab to be located on the working fluid level, enabling the swab to reach the pumping depth, carrying out the swab lifting process, enabling the swab to start to discharge liquid and enabling the swab to reach a wellhead;
the tension of the tension sensor is F when the oil pipe or the swab is not suspended, the unit is N, the tension collected by the tension sensor forms a one-dimensional array according to the time (min) sequence, and the relation of the one-dimensional array to the time is Fn(t), pulse value fn(t)＝Fn(t) -F; n represents a data number of tension measurement at a certain time, and n is a natural number which is not zero;
Sn＝max[fn(t)]-max[f(n-1)(t)]
Snsetting the weight of a single oil pipe as G for the tension pulse variation valuePipeIn the unit of N;
when S isnGreater than 0, and (Sn-G)Pipe)＜(GPipe10), judging that the current state is oil pipe lowering operation;
when S isnLess than 0, and | Sn-GPipe|＜(GPipe10), judging that the current state is oil pipe lifting operation;
when 10S are continuousnIs < G | Sn | (G)Pipe10), judging the current state as pumping operation;
an oil pumping weight recognition module is also arranged;
the oil pumping weight identification specifically comprises, when in pumping operation:
moil＝[Fn(t)-Fn-1(t)]a/2*sinθ*g+ρRope(Hn-Hn-1)
mOilThe mass of oil discharged for a single pumping; the pulley winding between the first pulley and the second pulley is a, rhoRopeLinear density of the cord, unit: kg/m; the stress included angle between the tension sensor and the rope is theta and DEG; g is a gravity constant, 9.8N/Kg; fn(t)Tension, N, collected by a tensiometer at a certain moment; hnThe depth m from the swab to the well head at a certain time.
The invention achieves the technical effects that:
the test oil and gas parameter recorder, the operation state mode identification method and the system can remotely monitor the operation state, monitor the oil extraction amount to a certain extent and realize operation monitoring.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure.
FIG. 1 is a first connection status structure diagram of a test gas parameter recorder according to the present invention;
FIG. 2 is a diagram of a second connection status of the test gas parameter recorder of the present invention;
fig. 3 is a complete curve of the process of a well testing operation from 16/8/2018 to 31/8/2018, which includes three stages of tubing running operation, three stages of tubing lifting operation and two stages of swabbing operation;
fig. 4 is a complete curve of the process of a well testing operation from 11/4/2018 to 11/19/2018, which includes three stages of tubing running operation, three stages of tubing lifting operation and two stages of swabbing operation;
FIG. 5 is a detailed drawing of the pumping operation, a detailed drawing of the tubing running operation, and a detailed drawing of the tubing lifting operation of FIG. 4;
FIG. 6 is a state diagram of the swab and the liquid level during the swabbing process in FIG. 5;
the reference numerals in the figures denote: 1-tension sensor, 2-first pulley, 3-first pull rope, 4-second pulley, 5-hoisting piece, 6-oil pipe, 7-oil well, 8-workover rig, 9-first ground anchor point, 10-second ground anchor point, 11-third pulley, 12-swab, and 13-second pull rope.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
With reference to fig. 1-2, the oil and gas testing parameter recorder based on tension change of the present invention is provided with a tension suspension assembly, at least one end of the tension suspension assembly is fixed, and at least one end of the tension suspension assembly is connected with an oil pipe 6 to be lifted and placed or a swab 12 to be lifted and placed; the tension sensor 1 is installed at the fixed end of the tension suspension assembly. The invention monitors the tension of the pull rope on the tension suspension assembly and draws a change trend graph of the tension relative to time. The working state in a certain time period is accurately marked by analyzing the tension and time variation trend graph. Further obtaining the starting time and the ending time of the oil discharging pipe and the oil lifting pipe; the number and depth of the lower oil pipe and the upper oil pipe; single speed and average speed of the lower oil pipe and the upper oil pipe; the shortest, longest and long starting time of a single oil pipe. The starting time and the ending time of the pumping operation, the position of the working fluid level and the single pumping time length; single liquid pumping; accumulating the liquid pumping amount; the total number of swabbing and other detailed parameters.
In the embodiment of the present disclosure, the tension sensor 1 transmits and stores the measured tension data in time series, with s as a unit; the tension sensor 1 is of the type FYZLY-101.
In the embodiment of the disclosure, the tension suspension assembly is a pulley assembly, the pulley assembly is at least provided with a first pulley 2 and a second pulley 4, the first pulley 2 is a fixed pulley, the second pulley 4 is a movable pulley, and a first pull rope 3 is arranged around the first pulley 2 and the second pulley 4; the oil pipe 6 to be lifted or the swab 12 to be lifted is hung on the second pulley 4. Preferably, on the second sheave, a hoisting member 5, such as a hook, is mounted for suspending the oil pipe 6 to be lifted or the swab 12 to be lifted. During operation, firstly, the oil pipe is lowered to the bottom of a well from the wellhead of an oil well 7 through the lifting piece 5 on the tension suspension assembly;
in the embodiment of the present disclosure, the tension suspension assembly further includes a third pulley 11, and the third pulley 11 is connected with the second pulley 4 in a suspension manner; and a second rope 13 is wound on the third pulley 11; the free end of the second pull rope 13 hangs the oil pipe 6 to be lifted or the swab 12 to be lifted. After the tubing 6 is lowered to the bottom of the well, pumping operation, i.e., pumping operation, is performed through the swab 12.
In the embodiment of the disclosure, the system further comprises a workover rig 8, wherein the workover rig 8 provides power for the tension suspension assembly, when one end of the first pull rope 3 of the tension suspension assembly is fixed at the first ground anchor point 9, and the other end of the first pull rope is connected with the workover rig 8 to perform the operation of lowering the oil pipe; after the end, the other end of the first pull rope 3 is fixed at the second ground anchor point 10, then the third pulley 11 is connected with the second pulley 4, and the swabbing operation is carried out, namely the free end of the second pull rope 13 is connected with the swab 12 for swabbing operation, and the other end of the second pull rope 13 is in power connection with the workover rig 8 for providing power.
The invention relates to a method for identifying an operation state pattern, which comprises the following steps: collecting tension data by using a test oil gas parameter recorder based on tension change, and identifying the operation state through a tension data time change curve; the operation state comprises tubing running operation, tubing lifting operation and swabbing operation; the tubing running operation refers to the process that the tubing is put from the well mouth to the well bottom; the process of pumping up the oil pipe refers to the process of pulling the oil pipe from the bottom of the well to the top of the well when the pumping operation is finished. The pumping operation comprises the steps of starting to lower the swab, enabling the swab to be located on the working fluid level, enabling the swab to reach the pumping depth, enabling the swab to lift, enabling the swab to start to discharge liquid and enabling the swab to reach a wellhead. And (3) starting to put down the swab: namely, the workover rig starts to rotate anticlockwise, and the sucker is driven by gravity to be lowered into the well; the swab is positioned on the working fluid level: namely, the swab reaches the position with oil in the oil pipe; the swab reaches the depth of the swab: when the swab reaches the preset maximum depth, preparing to start lifting; the swab lifting process comprises the following steps: namely, the workover rig starts to rotate clockwise to drive the pump and the oil on the pump to rise together; starting liquid discharge by using a swab: the oil begins to overflow from the wellhead; the swab reaches the wellhead: at the end of the lift process, the swab reaches the highest position.
In the embodiment of the present disclosure, with reference to fig. 3, the operation state is determined according to the tension pulse variation value; the tension of the tension sensor is F when the oil pipe or the swab is not suspended, the unit is N, the tension collected by the tension sensor forms a one-dimensional array according to the time(s) sequence, and the relation between the one-dimensional array and the time is Fn(t), pulse value fn(t)＝Fn(t) -F; n represents a data number of tension measurement at a certain time, and n is a natural number which is not zero;
Sn＝max[fn(t)]-max[f(n-1)(t)]
Snsetting the weight of a single oil pipe as G for the tension pulse variation valuePipeIn the unit of N;
when S isnGreater than 0, and (Sn-G)Pipe)＜(GPipe10), judging that the current state is oil pipe lowering operation;
when S isnLess than 0, and | Sn-GPipe|＜(GPipe10), judging that the current state is oil pipe lifting operation;
when a plurality of S are continuedn(typically 10) | Sn | < (G)Pipe10), the current status is determined to be pumping operation.
In the embodiment of the present disclosure, the method further includes oil pumping weight identification, specifically including:
calculating the weight of the oil pumping when the pumping operation is currently performed:
moil＝[Fn(t)-Fn-1(t)]a/2*sinθ*g+ρRope(Hn-Hn-1)；
mOilThe mass of oil discharged for a single pumping; the pulley winding between the first pulley and the second pulley is a, rhoRopeLinear density of the cord, unit: kg/m; the stress included angle between the tension sensor and the rope is theta and DEG; g is a gravity constant, 9.8N/Kg; fn(t)Tension, N, collected by a tensiometer at a certain moment; hnThe depth m from the swab to the well head at a certain time.
In connection with fig. 6, assume 1: the friction force between the swab and the oil pipe is smaller than the gravity of the swab and is set to be 0; the radius of the pull rope is as follows: r units m (steel cord radius is now known to be 7.8 mm); the inner diameter of the oil pipe is as follows: r is a unit of m; rope pulling gravity: gRope(ii) a Gravity of the swab is GDrawer；
FnTension, H, collected by a tensiometer at a certain momentnThe depth of the swab to the well head at a certain time (the distance from the upper surface of the swab to the well head).
F1＝2(GDrawer+GRope)*sinθ；
When it is well-head (1 time point in fig. 6);
at time point 2, the tensiometer collects the tension value F2，(H2-H1)＝(F2-F1)*n/2ρRope*g*sinθ；
(H2-H1) The working fluid level depth is obtained; h2The distance from the swab to the wellhead at time point 2 is shown.
When the swab and the steel rope are positioned in the liquid surface.
(H3-H2)＝(F3-F2)*n/2(ρRope-ρOilπr2)*g*sinθ；
Wherein (H)3-H2) For deep-drawing, H3Represents the distance from the swab to the wellhead at time point 3;
moil＝(F5-F4)a/2*sinθ*g+ρRope(H5-H4)
Wherein (H)5-H4) The liquid level, i.e., the distance from the top surface of the swab to the well head at time point 5.
The operation state pattern recognition system is provided with an operation state pattern recognition module, wherein the operation state pattern recognition module collects tension data based on a tension-changing test oil-gas parameter recorder and recognizes an operation state through a tension data time change curve; the operation state comprises tubing running operation, tubing lifting operation and swabbing operation; the pumping operation comprises the steps of starting to lower the swab, enabling the swab to be located on the working fluid level, enabling the swab to reach the pumping depth, carrying out the swab lifting process, enabling the swab to start to discharge liquid and enabling the swab to reach a wellhead;
judging the operation state according to the tension pulse change value;
the tension of the tension sensor is F when the oil pipe or the swab is not suspended, the unit is N, the tension collected by the tension sensor forms a one-dimensional array according to the time (min) sequence, and the relation of the one-dimensional array to the time is Fn(t), pulse value fn(t)＝Fn(t) -F; n represents a data number of tension measurement at a certain time, and n is a natural number which is not zero;
Sn＝max[fn(t)]-max[f(n-1)(t)]
Snsetting the weight of a single oil pipe as G for the tension pulse variation valuePipeIn the unit of N;
when S isnGreater than 0, and (Sn-G)Pipe)＜(GPipe10), judging that the current state is oil pipe lowering operation;
when S isnLess than 0, and | Sn-GPipe|＜(GPipe10), judging that the current state is oil pipe lifting operation;
when 10S are continuousnIs < G | Sn | (G)Pipe10), judging the current state as pumping operation;
an oil pumping weight recognition module is also arranged;
the oil pumping weight identification specifically comprises, when in pumping operation:
moil＝[Fn(t)-Fn-1(t)]a/2*sinθ*g+ρRope(Hn-Hn-1)
mOilThe mass of oil discharged for a single pumping; the pulley winding between the first pulley and the second pulley is a, rhoRopeLinear density of the cord, unit: kg/m; the stress included angle between the tension sensor and the rope is theta and DEG; g is a gravity constant, 9.8N/Kg; fn(t)Tension, N, collected by a tensiometer at a certain moment; hnThe depth m from the swab to the well head at a certain time.
By combining the method and the system, the device and the method of the invention are utilized to carry out actual detection:
verification example one:
testing oil and gas operation from 2018, 08-month 16 to 2018, 08-month 31 in a certain oil well of the Changqing oil field: the specific results are shown in FIG. 3:
the friction force between the swab and the oil pipe is smaller than the gravity of the swab and is set to be 0;
the radius of the pull rope is as follows: r units m (steel cord radius is now known to be 7.8mm, i.e. 0.078 m);
the inner diameter of the oil pipe is as follows: r units m, 0.62 m;
rope pulling gravity: gRopeIs a time-of-day variable in units of N;
gravity of the swab is GDrawer，200N；
The winding of the pulley between the first pulley and the second pulley is a to 6;
ρropeLinear density of the cord, unit: kg/m is 0.84 Kg/m;
the stress included angle between the tension sensor and the rope is theta, DEG and 30 DEG;
g is a gravity constant, 9.8N/Kg.
Verification example two:
testing oil and gas operation from 11 months and 4 days in 2018 to 11 months and 19 days in 2018 of a certain oil well in the Changqing oil field: specific results are shown in tables 1-3 and FIGS. 4 and 5:
the friction force between the swab and the oil pipe is smaller than the gravity of the swab and is set to be 0;
the radius of the pull rope is as follows: r units m (steel cord radius is now known to be 7.8mm, i.e. 0.078 m);
the inner diameter of the oil pipe is as follows: r units m, 0.62 m;
rope pulling gravity: gRopeIs a time-of-day variable in units of N;
gravity of the swab is GDrawer，200N；
The winding of the pulley between the first pulley and the second pulley is a to 6;
ρropeLinear density of the cord, unit: kg/m is 0.84 Kg/m;
the stress included angle between the tension sensor and the rope is theta, DEG and 30 DEG;
g is a gravity constant, 9.8N/Kg;
the results are shown in the following table:
TABLE 1
A graph corresponding to the data in table 1 is shown for the pumping operation of fig. 5.
TABLE 2
A graph corresponding to the data of table 2 is shown for the lower tubing operation of fig. 5.
TABLE 3
A graph corresponding to the data of table 3 is shown in the pipe tripping operation of figure 5.
The data show that the oil-gas testing parameter recorder, the operation state mode identification method and the system can remotely monitor the operation state, monitor the oil extraction amount to a certain extent and realize operation monitoring through practical use comparison.
With reference to fig. 6, (fig. 6 is an enlarged analysis of the pumping curve in fig. 5, the abscissa is in seconds), the pumping process further includes the steps of starting to lower the swab, locating the swab on the working fluid level, reaching the pumping depth, lifting the swab, starting to discharge the swab, and reaching the wellhead, and the tension data time variation curve waveform is corresponding to the states of starting to lower the swab, locating the swab on the working fluid level, reaching the pumping depth, lifting the swab, starting to discharge the swab, and reaching the wellhead corresponding to the actual swab; specifically, in fig. 6, the pump is at the highest point (well head) at time 1, and there is no oil above the pump, and the suspension to the cable now reflects the shortest to the tension curve is as shown in fig. 6, and at time 1, the tension is the smallest. At this time, if the tension is gradually increased, it is considered that the lowering of the swab is started. At time 2, when the swab descends to the surface of the liquid, the tension fluctuates obviously due to the contact of the swab with the liquid surface, and a pulse is formed. The previous moment point when the tension value reaches the maximum value is the drawing-depth position. The time point at which the tension reaches a maximum is the point at which the lifting starts. When the liquid is discharged, the absolute value of the slope of the tension curve is increased, and the curve is relatively smooth in the whole liquid discharging process. Upon reaching the wellhead, the tension returns to a minimum.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, various possible combinations will not be separately described in this disclosure.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (10)
1. A test oil gas parameter recorder is characterized in that a tension suspension assembly is arranged, at least one end of the tension suspension assembly is fixed, and at least one end of the tension suspension assembly is connected with an oil pipe (6) to be lifted and placed or a drawer (12) to be lifted and placed;
and a tension sensor (1) is arranged at the fixed end of the tension suspension component.
2. Test gas parameter recorder according to claim 1, characterized in that the tension sensor (1) is of the type FYZLY-101.
3. The test oil gas parameter recorder according to claim 1 or 2, wherein the tension suspension component is a pulley component, the pulley component is at least provided with a first pulley (2) and a second pulley (4), the first pulley (2) is a fixed pulley, the second pulley (4) is a movable pulley, and a first pull rope (3) is arranged around the first pulley (2) and the second pulley (4);
an oil pipe (6) to be lifted or a swab (12) to be lifted is hung on the second pulley (4).
4. The test oil and gas parameter recorder according to claim 3, wherein the tension suspension assembly further comprises a third pulley (11), and the third pulley (11) is connected with the second pulley (4) in a suspension manner; a second pull rope (13) is wound on the third pulley (11);
the free end of the second pull rope (13) is hung on an oil pipe (6) to be lifted or a drawer (12) to be lifted.
5. The test gas parameter recorder according to claim 1 or 2, further comprising a workover rig (8), wherein the workover rig (8) powers the tension suspension assembly.
6. A method for identifying an operation state mode is characterized in that a test oil gas parameter recorder of any one of claims 1 to 5 is used for collecting tension data, and the operation state is identified through a tension-time change curve;
the operation state comprises tubing running operation, tubing lifting operation and pumping operation.
7. The operating condition pattern recognition method according to claim 6, wherein the operating condition determination is made based on a tension pulse variation value;
the tension measured by the tension sensor when the oil pipe or the swab is not suspended is F, the unit is N, the tensions collected by the tension sensor form a one-dimensional array according to the time(s) sequence, and the relation between the one-dimensional array and the time is Fn(t), pulse value fn(t)＝Fn(t) -F; n represents a data number of tension measurement at a certain time, and n is a natural number which is not zero;
Sn＝max[fn(t)]-max[f(n-1)(t)]
Snsetting the weight of a single oil pipe as G for the tension pulse variation valuePipeIn the unit of N;
when S isnGreater than 0, and (Sn-G)Pipe)＜(GPipe10), judging that the current state is oil pipe lowering operation;
when S isnLess than 0, and | Sn-GPipe|＜(GPipe10), judging that the current state is oil pipe lifting operation;
when 10S are continuousnIs < G | Sn | (G)Pipe10), the current status is determined to be pumping operation.
8. The method for identifying the operating state pattern according to claim 6 or 7, further comprising oil pumping weight identification, specifically comprising:
the oil pumping weight recognition is carried out when the pumping operation is currently carried out:
moil＝[Fn(t)-Fn-1(t)]a/2*sinθ*g+ρRope(Hn-Hn-1)；
mOilThe mass of oil discharged for a single pumping; the pulley winding between the first pulley and the second pulley is a, rhoRopeLinear density of the cord, unit: kg/m; the stress included angle between the tension sensor and the rope is theta and DEG; g is a gravity constant, 9.8N/Kg; fn(t)Tension, N, collected by a tensiometer at a certain moment; hnThe depth m from the swab to the well head at a certain time.
9. An operation state pattern recognition system is characterized in that an operation state pattern recognition module is arranged, the operation state pattern recognition module collects tension data based on a test oil gas parameter recorder, establishes a tension-time change curve model and judges the operation state according to a tension pulse change value; the operation state comprises tubing running operation, tubing lifting operation and swabbing operation;
the tension of the tension sensor is F when the oil pipe or the swab is not suspended, the unit is N, the tension collected by the tension sensor forms a one-dimensional array according to the time (min) sequence, and the relation of the one-dimensional array to the time is Fn(t), pulse value fn(t)＝Fn(t) -F; n represents a data number of tension measurement at a certain time, and n is a natural number which is not zero;
Sn＝max[fn(t)]-max[f(n-1)(t)]
Snsetting the weight of a single oil pipe as G for the tension pulse variation valuePipeIn the unit of N;
when S isnGreater than 0, and (Sn-G)Pipe)＜(GPipe10), judging that the current state is oil pipe lowering operation;
when S isnLess than 0, and | Sn-GPipe|＜(GPipe10), judging that the current state is oil pipe lifting operation;
when 10S are continuousnIs < G | Sn | (G)Pipe10), the current status is determined to be pumping operation.
10. The system according to claim 9, wherein a pump weight recognition module is further provided;
the oil pumping weight identification module specifically comprises, when in pumping operation:
moil＝[Fn(t)-Fn-1(t)]a/2*sinθ*g+ρRope(Hn-Hn-1)
mOilThe mass of oil discharged for a single pumping; the pulley winding between the first pulley and the second pulley is a, rhoRopeLinear density of the cord, unit: kg/m; the stress included angle between the tension sensor and the rope is theta and DEG; g is a gravity constant, 9.8N/Kg; fn(t)Tension, N, collected by a tensiometer at a certain moment; hnThe depth m from the swab to the well head at a certain time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010020886.1A CN111075431B (en) | 2020-01-09 | Oil gas testing parameter recorder, operation state mode identification method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010020886.1A CN111075431B (en) | 2020-01-09 | Oil gas testing parameter recorder, operation state mode identification method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111075431A true CN111075431A (en) | 2020-04-28 |
| CN111075431B CN111075431B (en) | 2024-04-19 |
Family
ID=
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0882870A2 (en) * | 1997-06-03 | 1998-12-09 | Halliburton Energy Services, Inc. | A method of communicating data and control signals between a down hole well tool and surface equipment |
| US6321596B1 (en) * | 1999-04-21 | 2001-11-27 | Ctes L.C. | System and method for measuring and controlling rotation of coiled tubing |
| US20050217350A1 (en) * | 2004-03-30 | 2005-10-06 | Core Laboratories Canada Ltd. | Systems and methods for controlling flow control devices |
| US20070056746A1 (en) * | 2005-09-13 | 2007-03-15 | Key Energy Services, Inc. | Method and system for evaluating weight data from a service rig |
| CN101906961A (en) * | 2010-06-28 | 2010-12-08 | 苏州大一装备科技有限公司 | Monitoring method of oil extraction process of oil well |
| US20120085531A1 (en) * | 2010-10-07 | 2012-04-12 | Leising Larry J | Cable Monitoring in Coiled Tubing |
| JP2012098239A (en) * | 2010-11-05 | 2012-05-24 | Mitsubishi Heavy Ind Ltd | Riser pipe and response distribution measurement system of riser pipe |
| CN103114847A (en) * | 2013-02-01 | 2013-05-22 | 苏州大一装备科技有限公司 | Oil field underground liquid level detection method and device |
| CN103174410A (en) * | 2013-03-08 | 2013-06-26 | 吉艾科技（北京）股份公司 | Method for achieving time and depth conversion through weight change of downhole instrument tool |
| US20140196949A1 (en) * | 2011-06-29 | 2014-07-17 | University Of Calgary | Autodriller system |
| CN204691760U (en) * | 2015-04-27 | 2015-10-07 | 山西蓝焰煤层气集团有限责任公司 | A kind of coal bed gas open hole well sand face sniffer based on using screw pump mining |
| CN107201895A (en) * | 2016-03-16 | 2017-09-26 | 张洪新 | A kind of oil plays lower tubular column operation and measures system automatically |
| CN107503732A (en) * | 2017-09-06 | 2017-12-22 | 中国石油集团川庆钻探工程有限公司 | A kind of automatic pay-off control system of swabbing operation and control method |
| US20180335356A1 (en) * | 2017-05-22 | 2018-11-22 | Schlumberger Technology Corporation | Top drive load measurement weight on bit |
| WO2019067765A1 (en) * | 2017-09-29 | 2019-04-04 | Bp Corporation North America Inc. | Systems and methods for monitoring components of a well system |
| CN212027765U (en) * | 2020-01-09 | 2020-11-27 | 西安电子科技大学 | Test oil gas parameter recorder and system |
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0882870A2 (en) * | 1997-06-03 | 1998-12-09 | Halliburton Energy Services, Inc. | A method of communicating data and control signals between a down hole well tool and surface equipment |
| US6321596B1 (en) * | 1999-04-21 | 2001-11-27 | Ctes L.C. | System and method for measuring and controlling rotation of coiled tubing |
| US20050217350A1 (en) * | 2004-03-30 | 2005-10-06 | Core Laboratories Canada Ltd. | Systems and methods for controlling flow control devices |
| US20070056746A1 (en) * | 2005-09-13 | 2007-03-15 | Key Energy Services, Inc. | Method and system for evaluating weight data from a service rig |
| CN101906961A (en) * | 2010-06-28 | 2010-12-08 | 苏州大一装备科技有限公司 | Monitoring method of oil extraction process of oil well |
| US20120085531A1 (en) * | 2010-10-07 | 2012-04-12 | Leising Larry J | Cable Monitoring in Coiled Tubing |
| JP2012098239A (en) * | 2010-11-05 | 2012-05-24 | Mitsubishi Heavy Ind Ltd | Riser pipe and response distribution measurement system of riser pipe |
| US20140196949A1 (en) * | 2011-06-29 | 2014-07-17 | University Of Calgary | Autodriller system |
| CN103114847A (en) * | 2013-02-01 | 2013-05-22 | 苏州大一装备科技有限公司 | Oil field underground liquid level detection method and device |
| CN103174410A (en) * | 2013-03-08 | 2013-06-26 | 吉艾科技（北京）股份公司 | Method for achieving time and depth conversion through weight change of downhole instrument tool |
| CN204691760U (en) * | 2015-04-27 | 2015-10-07 | 山西蓝焰煤层气集团有限责任公司 | A kind of coal bed gas open hole well sand face sniffer based on using screw pump mining |
| CN107201895A (en) * | 2016-03-16 | 2017-09-26 | 张洪新 | A kind of oil plays lower tubular column operation and measures system automatically |
| US20180335356A1 (en) * | 2017-05-22 | 2018-11-22 | Schlumberger Technology Corporation | Top drive load measurement weight on bit |
| CN107503732A (en) * | 2017-09-06 | 2017-12-22 | 中国石油集团川庆钻探工程有限公司 | A kind of automatic pay-off control system of swabbing operation and control method |
| WO2019067765A1 (en) * | 2017-09-29 | 2019-04-04 | Bp Corporation North America Inc. | Systems and methods for monitoring components of a well system |
| CN212027765U (en) * | 2020-01-09 | 2020-11-27 | 西安电子科技大学 | Test oil gas parameter recorder and system |
Non-Patent Citations (2)
| Title |
|---|
| 张明;: "井下钢丝试井作业过程中遇阻遇卡判断的全新理念", 油气井测试, no. 05, 25 October 2015 (2015-10-25) * |
| 陈雅勇;何玉彬;王民芳;康浩;赵伟东;: "常规抽汲和油管泵抽汲配合试油工艺探讨", 油气井测试, no. 03, 25 June 2012 (2012-06-25) * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8280636B2 (en) | Method and system for controlling a well service rig based on load data | |
| RU2008114319A (en) | METHOD AND SYSTEM FOR EVALUATING WEIGHT DATA OBTAINED FROM A PLANT FOR REPAIRING WELLS | |
| RU2006119432A (en) | METHODS FOR GEOMECHANICAL MODELING CRACK | |
| WO2013090416A2 (en) | Electrical submersible pump monitoring and failure prediction | |
| US8844626B1 (en) | Method and apparatus for autonomous oil and gas well down-hole pump leakage testing | |
| EP0274207B1 (en) | Method for monitoring the operations of the rotary drilling of a well | |
| AU2012324813B2 (en) | Identifying forces in a well bore | |
| CN203559897U (en) | Underground hanging-piece corrosion test unit | |
| CN102305315A (en) | Operating method for making cable pass through overlong continuous oil pipe | |
| RU2422588C2 (en) | Procedure for soil impact probing and device for its implementation | |
| RU2471065C2 (en) | Development method of oil wells (versions), and plant for its implementation (versions) | |
| CN212027765U (en) | Test oil gas parameter recorder and system | |
| CN111075431A (en) | Test oil and gas parameter recorder, and operation state mode identification method and system | |
| CN111075431B (en) | Oil gas testing parameter recorder, operation state mode identification method and system | |
| US20090260807A1 (en) | Selective zonal testing using a coiled tubing deployed submersible pump | |
| US6039544A (en) | Oil lift system | |
| CN114837624B (en) | Electric submersible pump system without workover rig | |
| RU2449117C1 (en) | Method of pumping unit bypassing and bypassing system for its implementation | |
| CN111119805A (en) | Automatic oil well swabbing method, device and system | |
| CN211974944U (en) | Automatic swabbing system of oil well | |
| CN112360438A (en) | Underground rapid water exploration test pipe column and using method | |
| RU2280158C1 (en) | Method to perform survey of well provided with sucker-rod pump | |
| RU2151867C1 (en) | Device for examination of wells | |
| CN117266795A (en) | Shale gas well plunger drainage gas production analysis method, device and plunger structure | |
| CN116411924A (en) | Method and device for identifying operating state of drill floor |
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 |