SU855198A1 - Apparatus for tube teledynamometering of depth-pump wells - Google Patents

Description

The invention relates to oil production, namely, to the processing of pipe teledynamograms of deep pump wells.

A device for removing the dynamogram of the operation of pumping pipes in the well. This device is in vi- de ⁵ installed between two upper coupling pumping pipe and wellhead flange disks and the disks Placing the U-shaped bracket with notches for mounting dynamograph. This makes it possible to install a dynamograph between the upper flange of the production string and the upper coupling of the pump pipes, which allows you to directly remove the dynamogram of the operation of the pump pipes [1].

The disadvantage of this device is that the further processing of the obtained pipe dynamograms is performed _χ manually, which requires more time and is laborious work.

It is also known teledin-device. metering of deep pumping wells -.

jin, which contains a stroke sensor, a vertical voltage generator of theoretical dynamograms, a switch, a force sensor and a dynamoscope. Shaper of vertical voltage of theoretical dynamograms in data. This device is made in the form of series-connected clamp-limiter of the signal from below, a signal limiter from above and an amplifier.

This device operates as follows.

The signal received at the output of the stroke sensor simultaneously enters the input of the vertical voltage generator of the theoretical dynamograms and the horizontal input of the dynamoscope. With the help of a clamp-limiter from below, the constant component of the signal received at the output of the stroke sensor, I stands out, in addition, it is limited from below and goes to the input of the signal limiter from above. Further, the signal bounded above and below is amplified by an amplifier. For Sov-

855168, mixing theoretical and practical dynamograms used switch. The outputs of the switch receive signals from the output of the force sensor and from the output of the vertical voltage generator of the theoretical dynamograms [2].

The disadvantage of this device is that it is limited only by the automation of the processing of teledynamograms of a sucker rod pump, this narrows its scope.

The purpose of the invention is the expansion of the functionality of the device by automating the processing of pipe diNamogram.

This goal is achieved by the fact that an inverter is introduced into it, the input and output of which are respectively connected to the output of the limiter from above and to the input of the amplifier.

In FIG. 1 shows a block diagram of the proposed device; FIG. 2 is a schematic diagram of a device; FIG. 3-time dependences of the signals received at the output of the stroke sensor (Fig. For), the latch-limiter from the bottom (Fig. Zb), the limiter from above (Fig. Zv) and the inverter (Fig. Zg); in FIG. 4 - theoretical theoretical tube diagram of the normal operation of the downhole pump (AB line for removing the load from the liquid weight from the pipes, BS upward stroke of the plunger, SD line for the load pipe perception of the liquid weight, YES — downward stroke of the plunger, 00 - zero force line); in FIG. 5 - combination of a theoretical pipe dynamogram with a teledynamogram on the dynamoscope screen; in Fig. · 6, an illustration of obtaining a theoretical tube ABSDS dynamogram on the dynamoscope screen $ (£) is the signal received at the output of the teledynamo-megating system motion sensor, P (t) is formed from signal 5 (4) and then the inverted and amplified signal, P - forces acting in the upper part of the pump pipes, S • stroke of the polished rod, T - duration of one period of the travel signal, 4 - time).

The device comprises a stroke sensor 1, a retainer-limiter 2 at the bottom, a retainer-limiter 3 at the top, an inverter 4, an amplifier 5, a switch 6, a force sensor 7, a dynamoscope 8.

Signal 5 (4), received at the output of the stroke sensor 1, is simultaneously fed to the input of the clamp-limiter from below 2 and to the horizontal input ОХ of the dynamoscope 8. Using block 2, the constant component of the signal Sd) is extracted and, in addition, is limited from below (Fig. Zb) and then goes to the input of block 3. At the output of block 3, a signal is obtained that is bounded above and below (Fig. Sv). Next 5, this signal is inverted (Fig. Zg) by block 4 and amplified by amplifier 5. Signal 5 (t) (Fig. 1) from the output of block 1 is fed to the horizontal input (OX), and the signal P ^f (t) from the output of block 5 fed through the switch 6 to the vertical input (OS) of the dynamoscope 8. As a result of the simultaneous action of the signals S (1) and P (t), the electron beam records the theoretical tube dynamometer ABSDS (figure 4).

At the same time, as _{f of} signal 5 (4) increases from point A to point B during time 0-3, signal P (- £) decreases from point ^Art to point ₂₀ (Fig. 6). Due to the total, i.e.

horizontal and vertical action of the signals S (i) and P * (t) on the dynamo beam, osprey, the AB line of the pipe theoretical dynamogram is drawn on its screen.

2 ₅ Further, during time 3-8, signal 5 (4 ^) increases from point B ^g to point C, while signal P '(4) for the indicated time remains unchanged from' s r.

point b to point C. Due to the total _{) 0} action of signals 9 (t) and 'Р' (!) on the beam of a dynamoscope, a BS line of a pipe theoretical dynamogram is drawn on its screen for a time of 3-8. Similarly, as a result of the combined action of signals 5 (4) and P '(4) on beam ^{55 of the} dynamoscope for a time of 8-11 and

11-16, respectively, on its screen, the line of SD and YES of the pipe theoretical dynamogram is drawn. This completes the full cycle T of receiving the tube of theoretical ⁴⁰ dynamo ABSDS ends and the full cycle begins.

To combine theoretical and practical pipe dynamograms, switch 6 is used. The inputs of switch ⁴⁵ ra 6 (Fig. 1) receive a signal P (4) from the output of the force sensor 7 and a signal P '(- fc) from the output of the amplifier 5. Switch 6 with a frequency 50 Hz supplies the signals P (4) and P ¹ ft) to the vertical input of the op-amp dynamo50 osprey 8. Thus, on the dynamoscope screen a theoretical tube dynamogram is obtained, combined at the same scale with the teledynamogram (Fig. 5).

Using the capacitor C (Fig. 2), the constant component of the signal 5 (4) is extracted and then the diode D limits the signal from below, at the level of the direct voltage of the diode D. The values of the resistance R and pa5 855198 the parameters of the first stage of the amplifier are chosen in such a way: that this the cascade operates in the cutting mode and limits the signal S (4>) from above. The second stage inverts, and the third stage amplifies the signal. To match the circuit with the load, an emitter follower is used. The vertical size of the theoretical tube dynamogram is changed using a potentiometer. The distance of the BS line from the zero line of the force 0-0 (Fig. 4) is changed by the constant voltage source E _Cf ^. The switching of the pipe: theoretical dynamograms and teledynamicgrams is carried out using a polarized relay P. To obtain a zero line of the force of the dynamograms, when the armature of the relay P is between contacts 1 and 2, a zero voltage level is applied to the vertical input of the op-amp dynamoscope through resistance 1? ₇ . Due to the fact that the magnitude is much larger, therefore, when the armature of the relay P closes contacts 1 or 2, signals P (£) or p'fi) are fed to the input of the op-amp 25 of the dynamoscope with almost no loss in resistance Ργ. Relay P is powered by an alternating voltage 36, which is used in the teledynamic system to power the force and stroke sensors. zo

Claims (2)

(54) PIPELINE FOR MOLDING OF DEEP-PUMP WELLS The invention relates to oil production, in particular, to the processing of tubular diagrams of downhole wells. A device for removing dynamometer diagrams of pump tubes in a well is known. This device is made in the form of two discs installed between the upper coupling of the pump tubes and the outlet head of the disc and placed between the U-shaped disks with cut-outs for installation of the dynamograph. This makes it possible to install a Dnnograf between the upper flange of the expander and the upper coupling of the pumping unit, which makes it possible to directly remove the dynamometer diagram of the operation of the pumping units. A disadvantage of this device is that the further processing of the obtained TRU & Dynamic Spectrograms is produced manually, which requires more time and is labor-consuming work. It is also known that a teledynamometer for drilling in deep-well wells, which contains a stroke sensor, a vertical scanning voltage generator of theoretical dynamograms, commutators, an effort sensor and a dynamoscope, is known. Vertical tension driver for theoretical dynamograms in dan. The device is designed as a series-connected latch-limiter of the signal from below, a limiter of the signal from above and an amplifier. This device works as follows. , obtained at the output of the stroke sensor, is fed to the input of the former at the vertical scan of theoretical dynamograms and to the horizontal input of the dynamoscope. With the help of the border delimiter, from below, the constant composition of the ush signal received at the output of the stroke sensor is chromium, limited from below and fed to the input of the signal limiter from above. Further, the bounded above and below is amplified by the amplifier. Communigor is used for the combination of georegistic and practical coupling patterns. The outputs of the commutator receive signals from the output of the force sensor and from the output of the vertical scan voltage generator of theoretical dynamograms 2. The disadvantage of this device is that it is limited only by the automation of the processing of teledynamograms of the sucker rod bottom pump, thereby narrowing its scope. The circuit of the invention is the extension of the functionality of the device by automating the processing of the pipe: a- Namogram. The goal is achieved by introducing an inverter into it, the input and output of which are respectively connected to the output of the limiter from above and to the input of the amplifier. FIG. 1. shows a block diagram of the device; FIG. 2 is a schematic diagram of the device; FIG. 3-time dependences of the signals received at the output of the stroke sensor (Fig. 3A), the limiter-latch below (Fig. 36), the limiter above (Fig. 3b) and the inverter (Fig. 3g); in fig. 4 - theoretical theoretical dynamogram of the normal operation of a submersible pump (AV line is taken from a coarse load of fluid weight, BS plunger travel is up, CD line receives load from fluid weight, DA plunger stroke is down, OO is a zero line force ); .on FIG. 5 - the combination of the theoretical pipe dynamogram with teledamogram on the screen of the dynamoscope; Fig. 6 illustrates the obtaining of a theoretical ABSD dynamometer card on the screen of the dynamoscope S (-fe) —the signal received at the output of the sensor of the teledynamometric systems, P (-fc) formed from the signal 5 (4 :) and then inverted and amplified signal, P - forces acting in the upper part of pumping pipes, S stroke of polished rod, T - duration of one period of the stroke signal, -t - time). YcTpQEcTBO contains sensor 1 stroke, latch-limiter 2 below, latch inverter 4, amplify limiter 3 on top, tel 5, switch 6, force sensor 7, dynamoscope 8. Signal 5 (b) received at the output of stroke sensor 1 simultaneously arrives at the entry of the limiter from below 2 and to the horizontal input OX of the dynamoscope 8. With the help of block 2 the constant component of the signal Sit is extracted and, moreover, it is limited to the bottom (Fig. 3b) is fed to the input of block 3. At the output of block 3 it is obtained signal above and below the bound (fig.Zv). Further, this signal is inverted (Fig. 3g) by block 4 and amplified by amplifier 5. Ci1 nal () (fg.1) from the code of block 1 is applied to the horizon (hard input (OX), and the signal P (i) from the output of block 5 is fed through commutator 6 to the vertical input (OA) of the dynamoscope 8. As a result of the simultaneous action of signals 5 (t) and P (t), the electron beam records the theoretical pipe dynamometer card of the ABSAM (Fig. 4). Simultaneously as the signal S (i) increases from the point Ado point B during the time O-Z, the signal P (-t) decreases from point A to point B (Fig. 6). Due to the total, i.e. the horizon In this case, the AB line of the tubular theoretical dynamogram is drawn on its screen, and the signal S (fe) increases from time point 3 to point C, While the signal P () for the indicated time remains unchanged from point B to point C. Due to the combined effect of signals 9 (t) and P (-t) on the beam of the dynamometer, the pipe line BS is drawn on its screen for 3-8 theoretical dynamograms. With a similar phase, as a result of the total effect of the signals 3 (-b) and P (fe) on the beam of the dynamoscope during the corruption of time 8–11 and 11–16, respectively, the SD and YES lines of the pipe theoretical dynamogram are drawn on its screen. With this, the complete cycle T of obtaining the theoretical theoretical dynamogram of the ABSDA ends and the complete cycle begins. Switch 6 is used to combine practical and practical drag dynamograms. Switch 6 inputs (Fiat. 1) receive a P (-t) signal from the force sensor's 7 code and a P signal (-fc) from the Amplifier amplifier 5. Switch 6 with a frequency 50 Hz sends the signals P (-t) and P (t) to the vertical input of an OU of the dynamoscope 8. Thus, on the screen of the dynamoscope, the theoretical dynamical tube combined with the telenogram (FIG. 5) is on the same scale. With the aid of (the condenser C (Fig. 2), the constant component of the signal S (t) is extracted and then the bottom D limits the signal from the bottom, at the level of the direct voltage of the diode D. The kachi of the resistance R and the parameters of the first stage of the amplifier are selected by this phase ,; this cascade operates in the limiting mode and limits the sishal S (-b) from the top. The second cascade inverts and the third cascade amplifies the signal. To smooth the circuit with the load, the emitter repeater is used. The vertical size of the theoretical theoretical dynamogram is varied using potentials ether P. The distance of the BS line from the zero line of the force 0–0 (Fig. 4) is varied by a source of constant power to E. Commutation of tube; theoretical dynamograms and teledines (egram is performed using a polarized relay P. For semi The zero force of the dynamograms, when the relay of the relay P is between contacts 1 and 2, is fed to the vertical input of the dynamometer of the dynamoscope. The voltage is applied through the resistances 1. Since the value of R is much larger, therefore, when the relay of P relay closes pins 1 or 2, practically free For the losses in the resistance Ry, signals P (4;) or P (t) are sent to the input of the OA of the dynamoscope. The relay P is powered by an alternating voltage 36, which is used in a teledynamometer system to power the force and stroke sensors. Claims Device for tubular teledynes. downhole pumping station, containing a stroke sensor, the spring of which is connected to one dynamoscope input and to the clamp-limiter input from below, the output of which is connected to the upper clamp-input input, switch, two inputs of which are connected respectively to vkko; effort, and the output is connected to another input of the dynamoscope, characterized in that, in order to expand the functional capabilities by automating the processing of the tube dynamometers, it is equipped with an input, the input of which is connected exit lock-top slicer, and the output - to the input of the amplifier. Sources of information taken into account during the examination 1. USSR author's certificate No. 227248, cl. Е 21 В 44 / ОО, 1965. 2. USSR author's certificate number 560972, cl. Е 21 В 44 / ОО, 1974 (prototype). / L. ./L V /; 9 // i  / / / / 9 / Л1615Щ t3n nw 9 V 7654-52 1 S