CN2346957Y - Ram pipe oil-well pump - Google Patents
Ram pipe oil-well pump Download PDFInfo
- Publication number
- CN2346957Y CN2346957Y CN 98236554 CN98236554U CN2346957Y CN 2346957 Y CN2346957 Y CN 2346957Y CN 98236554 CN98236554 CN 98236554 CN 98236554 U CN98236554 U CN 98236554U CN 2346957 Y CN2346957 Y CN 2346957Y
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- Expired - Fee Related
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Abstract
The utility model relates to a pipe type oil well pump with a sucker rod pump for oil exploitation, which is composed of an upper protecting cap, an upper joint, a pump barrel, a press cap, a seal ring, an O-shaped rubber ring, seal rubber, a fixed ring, an upper valve seat joint, an outer barrel, a valve cover, a valve ball, an upper valve seat, an upper valve seat joint, a plug, a small piston, a special fastening hood, a joint, a plug, a piston sleeve, a lower valve cover, a lower valve ball, a lower valve seat, a lower valve seat joint, a lower piston, a spring, a spacing ring, a lower joint and a lower protecting cap. Compared with conventional oil well pumps, the utility model has the structure that the utility model is additionally provided with the special fastening hood, two short plunger pistons, an energy storing device, the outer barrel and other attaching fittings; the utility model has the technical scheme that the energy storing device is adopted to provide energy which is absorbed by a fluid part; the utility model has the performance that the filling degree of the oil well pump is enhanced. The utility model which is used for a well with low production can improve the exploitation effect and raise the liquid output.
Description
The utility model relates to the oil well pump that uses on a kind of oil field pumping well, particularly a kind of supercharging tubing pump.
In the sucker rod pumping process that generally adopts, often because of the oil well liquid-supplying deficiency, or liquid level is dark at present, and some oil well pump efficiencys are very low, waste energy, and influenced production.
The purpose of this utility model is to have designed a kind of supercharging tubing pump, utilizes energy storage device to provide fluid section to suck energy, uses can improve oil well pump and be full of program on stripper well, thereby can improve the oil mining effect, improves pump efficiency.The purpose of this utility model is achieved in that this supercharging tubing pump is by last helmet (1), upper connection (2), pump barrel (3), pressure cap (4), seal ring (5), O type cushion rubber (6), caulking gum (7), retaining ring (8), upper valve base joint (9), urceolus (10), valve bonnet (11), valve ball (12), upper valve base (13), upper valve base joint (14), plug (15), small piston (16), special knot hoop (17), joint (18), plug (19), piston sleeve (20), following valve bonnet (21), lower valve ball (22), lower valve base (23), lower valve base joint (24), lower piston (25), spring (26), limited ring (27), lower contact (28), following helmet (29) is formed.O type cushion rubber (6) places the inside and outside seal groove of seal ring (5).Seal ring (5) is inserted in from arbitrary end of pump barrel (3), places on the boss of pump barrel side between the screw thread of two ends; Seal ring (7) is inserted in from pump barrel (3) end, up to till seal ring (5) contacts, the compound section that requires seal ring (7), urceolus (11) to constitute is a rectangle, and this moment, the position was between seal ring and pump barrel (3) upper side through hole, retaining ring (9) is packed into from pump barrel (3) end, the requirement chamfering is outside, and valve bonnet joint (9) one end internal threads and valve bonnet (11) outside thread make-up are tightened; Valve ball (12), upper valve base (13) are put in valve bonnet (11) inner chamber successively, require upper valve base (13) annular end face fully to contact with valve bonnet (11) inner chamber boss face; Use valve base joint (14) one end outside threads then and valve bonnet (11) internal thread make-up is tightened, valve bonnet joint (9) like this, valve bonnet (11), valve ball (12), upper valve base (13), upper valve base joint (14) constitutes an assembly body, this assembly body is equivalent to crude oil oil well pump standing valve assembly, valve bonnet joint (9) is gone up another female end and pump barrel end outside thread make-up is tightened, through hole is between retaining ring (8) and valve bonnet joint (9) on the requirement pump barrel side, plug (19) is gone up the internal thread make-up with small piston (16) and is tightened, if the upper end that female that end is a center hole on the special knot hoop center hole, small piston (16) is inserted in the special knot hoop center hole, require to have on the small piston (19) lower end of that end of plug at center hole; Plug (15) is tightened with special knot hoop (17) center hole internal thread make-up, constitute assembly body by (15), (16), (17), (19) like this, internal thread on the special knot hoop (17) on this assembly body and upper valve base joint (14) one male end make-ups are tightened; Urceolus (10) female end is inserted in from the pump barrel end, tightens with special knot hoop (17) outside thread end make-up, and urceolus (10) the other end is in the neutral position of pump barrel (3) upper side boss at this moment, and seal ring (5), seal ring (7) are in urceolus (10) inner chamber; Baffle ring (4) from the pump barrel end be inserted in pump barrel (3) shoulder on the outside thread make-up tighten, can fully contact with seal ring (5) end after tightening, and generation extruding force, the internal thread of upper connection (2) and pump barrel (3) end outside thread make-up are tightened, and last helmet (1) outside thread and joint (2) make-up are tightened; Joint (18) internal thread and special knot hoop (17) outside thread make-up are tightened, and arbitrary end internal thread of piston sleeve (20) and joint (18) outside thread make-up are tightened.Lower valve ball (22), lower valve base (23) are put into down in valve bonnet (21) inner chamber successively, and lower valve base (23) annular end face fully contacts with following valve bonnet (21) inner chamber boss; The last male end of lower valve base joint (24) is tightened with following valve bonnet (21) internal thread make-up.Lower piston (25) female end and lower valve base joint (24) one outside thread make-ups are tightened, if that end that piston (20) is connected with joint (18) is piston sleeve (20) upper end, pack into from the piston sleeve lower end by the assembly body that (21), (22), (23), (24), (25) constitute, till descending valve bonnet (21) and joint (18) contacts; Spring (26), limited ring (27) are packed into from piston sleeve (20) lower end successively, and lower contact (28) one male end and piston sleeve internal thread make-up are tightened, and following helmet internal thread and lower contact (28) make-up are tightened.
This pump work process is as follows: when oil pump plunger piston begins when up from lower dead centre, valve ball (12) and lower valve ball (21) are normally opened under the pump intake pressure effect, and fluid enters in the pump barrel; When the top of through hole on the pump barrel sidewall is moved in the plunger lower end, fluid pressure descends rapidly in the special hoop center hole, under the energy storage spring effect, move on small piston is quick, hydrodynamic pressure speed increases between valve ball (12) and the lower valve ball (22), cause it to flow into pump barrel rapidly, oil pump plunger piston begins when descending from upper dead center, valve ball (12) is closed, hydraulic pressure increases in the special knot hoop center hole, it is descending to promote small piston (16), small piston is descending promote again by (21), (22), (23), (24), (25) assembly body descending.Lower valve ball this moment (22) is in opening state.When piston sleeve (20) when contacting with limited ring, no longer mobile, this moment, oil pump plunger piston was opened, and fluid enters in the piston.
Hydrodynamic pressure speed increases the utility model between energy storage spring, valve ball (12) and the lower valve ball (22) owing to having adopted, cause it to flow into pump barrel rapidly, oil pump plunger piston begins when descending from upper dead center, valve ball (12) is closed, hydraulic pressure increases in the special knot hoop center hole, promote the descending structure of small piston (16), compare with routine oil pumping sand facies: structurally set up accessories such as energy storage device of two short column plugs of special knot hoop and urceolus; On know-why, adopted energy storage device to provide fluid section to suck energy; Having the characteristics that improve the oil well pump full level on the performance. this device is used on stripper well, can improve exploitation effect, improves the production fluid amount.
Figure is structural representation of the present utility model.
Further specify below in conjunction with accompanying drawing.
Pump barrel of the present utility model 3 outsides have by urceolus 10, special knot hoop 17, the outer working tube that joint 18 and piston 20 constitute, one end (not screwed overcoat end) is by placing the seal ring 5 on the pump barrel 3 side boss, O type cushion rubber 6, the annular space that caulking gum 7 and pressure cap 8 sealing outer working tubes and pump barrel form, in the middle of outer working tube, be connected with the lower valve base joint of pump barrel 3 one ends by special knot hoop 17, thereby constitute an integral body with pump barrel and coupling thereof, in the chamber of outer working tube lower end piston sleeve 20, have by lower valve ball 22, lower valve base 23, lower valve ball 21, lower valve base joint 24, assembly body and energy storage spring 26 that lower piston 25 constitutes, limited ring 27, thereby constitute the energy storage spring assembly, when work, by under hydraulic pressure and energy storage spring effect, moving up and down, its the sphere of activities is subjected to pump barrel 3 end-fittings 28 and limited ring 27 restrictions, center hole on pump barrel 3 inner chambers and the special knot hoop 17 is communicated with the annular space that pump barrel 3 forms by through hole on their sides and urceolus 10, when using this device, upper connection 2 links to each other with oil pipe, lower contact 28 is standby, is used for union tail or other special downhole tool.Pump barrel 3 belongs to the sleeve class formation, and two ends are outside thread, about the pump barrel neutral position small boss are arranged greatly, and two ends are processed with outside thread on the boss, in boss one side, and uniform two apertures, this hole and pump barrel inner chamber quadrature on the equidistant column side face in pump barrel end.Pressure cap 4, cylindrical structural, and the end have 45 the degree big chamfering, inside is the through hole that all is processed into internal thread.Seal ring 5, inclined to one side shape sleeve pipe class formation, its endoporus, outer surface respectively have two dead slots.Caulking gum 7, loop configuration, its section is a summit isosceles triangle down.Retaining ring 8, inclined to one side cylindrical structural, inside is the through hole that all is processed as internal thread.Valve bonnet joint 9, cylindrical structural, two ends are internal thread, and a boss is arranged between screw tip, process tapered slope on the boss.Urceolus 10, the sleeve class formation, an end has internal thread, and an end end internal orifice dimension is more bigger.Plug 15, cylindrical structural, the side threading, there is a square blind hole end.Small piston 16, the sleeve class formation, an end is an internal thread, and two dead slots are arranged on the side.Special knot hoop 17, cylindrical structural, one end is an internal thread, one end is an outside thread, 6 apertures that a large through-hole arranged at the column body center and parallel to the axis, the equidistant aperture in distance one end that two symmetries are arranged on column side face, this hole and center hole quadrature are not communicated with other 6 small through hole.Joint 18, sleeve class formation, an end are internal thread, and an end is an outside thread, and major diameter of external thread is slightly less than sleeve outer diameter.Spring 26 numbers of effective coils 70, number of active coils 68.5, length of run 14470, heat treatment hardness: 45--52.O type cushion rubber 6 materials are rubber.
Claims (5)
1. the utility model relates to the oil well pump that uses on a kind of oil field pumping well, particularly a kind of supercharging tubing pump, this supercharging tubing pump is by last helmet (1), upper connection (2), pump barrel (3), pressure cap (4), seal ring (5), O type cushion rubber (6), caulking gum (7), retaining ring (8), upper valve base joint (9), urceolus (10), valve bonnet (11), valve ball (12), upper valve base (13), upper valve base joint (14), plug (15), small piston (16), special knot hoop (17), joint (18), plug (19), piston sleeve (20), following valve bonnet (21), lower valve ball (22), lower valve base (23), lower valve base joint (24), lower piston (25), spring (26), limited ring (27), lower contact (28), following helmet (29) is formed, and it is characterized in that: O type cushion rubber (6) places the inside and outside seal groove of seal ring (5).Seal ring (5) is inserted in from arbitrary end of pump barrel (3), places on the boss of pump barrel side between the screw thread of two ends; Seal ring (7) is inserted in from pump barrel (3) end, up to till seal ring (5) contacts, the compound section that requires seal ring (7), urceolus (10) to constitute be rectangle and this moment the position between seal ring and pump barrel (3) upper side through hole, retaining ring (8) is packed into from pump barrel (3) end, the requirement chamfering is outside, and screw thread is tightened on it and pump barrel (3) boss; Valve bonnet joint (9) one end internal threads and valve bonnet (11) outside thread make-up are tightened; Valve ball (12), upper valve base (13) are put in valve bonnet (11) inner chamber successively, require upper valve base (13) annular end face fully to contact with valve bonnet (11) inner chamber boss face; Use valve base joint (14) one end outside threads then and valve bonnet (11) internal thread make-up is tightened, valve bonnet joint (9) like this, valve bonnet (11), valve ball (12), upper valve base (13), upper valve base joint (14) constitutes an assembly body, this assembly body is equivalent to crude oil oil well pump standing valve assembly, valve bonnet joint (9) is gone up another female end and pump barrel end outside thread make-up is tightened, through hole is between retaining ring (8) and valve bonnet joint (9) on the requirement pump barrel side, plug (19) is gone up the internal thread make-up with small piston (16) and is tightened, if the upper end that female that end is a center hole on the special knot hoop center hole, small piston (16) is inserted in the special knot hoop center hole, require to have on the small piston (19) lower end of that end of plug at center hole; Plug (15) is tightened with special knot hoop (17) center hole internal thread make-up, constitute assembly body by (15), (16), (17), (19) like this, internal thread on the special knot hoop (17) on this assembly body and upper valve base joint (14) one male end make-ups are tightened; Urceolus (10) female end is inserted in from the pump barrel end, tightens with special knot hoop (17) outside thread end make-up, and urceolus (10) the other end is in the neutral position of pump barrel (3) upper side boss at this moment, and seal ring (5), seal ring (7) are in urceolus (10) inner chamber; Baffle ring (4) from the pump barrel end be inserted in pump barrel (3) shoulder on the outside thread make-up tighten, can fully contact with seal ring (5) end after tightening, and generation extruding force, the internal thread of upper connection (2) and pump barrel (3) end outside thread make-up are tightened, and last helmet (1) outside thread and joint (2) make-up are tightened; Joint (18) internal thread and special knot hoop (17) outside thread make-up are tightened, and any end internal thread of piston sleeve (20) and joint (18) outside thread make-up are tightened.Lower valve ball (22), lower valve base (23) are put into down in valve bonnet (21) inner chamber successively, and lower valve base (23) annular end face fully contacts with following valve bonnet (21) inner chamber boss face; The last male end of lower valve base joint (24) is tightened with following valve bonnet (21) internal thread make-up.Lower piston (25) female end and lower valve base joint (24) one outside thread make-ups are tightened, if that end that piston (20) is connected with joint (18) is piston sleeve (20) upper end, pack into from the piston sleeve lower end by the assembly body that (21), (22), (23), (24), (25) constitute, till descending valve bonnet (21) and joint (18) contacts; Spring (26), limited ring (27) are packed into from piston sleeve (20) lower end successively, and lower contact (28) one male end and piston sleeve internal thread make-up are tightened, and following helmet internal thread and lower contact (28) make-up are tightened.
2. supercharging tubing pump according to claim 1 is characterized in that: pump barrel (3) has a small boss on the side, boss one side, uniform two through holes with pump barrel (3) inner chamber quadrature at equidistant place, distance end.
3. supercharging tubing pump according to claim 1 is characterized in that: pump barrel (3) inner chamber and special knot hoop center hole are connected with the annular space that pump barrel constitutes by the through hole and the urceolus (10) of their sides.
4. supercharging tubing pump according to claim 1 is characterized in that: special knot hoop (17), cylindrical structural, one end is a screw thread, one end is an outside thread, and there are a central through bore and 66 small through hole that parallel to the axis in inside, and this hole is not communicated with 6 small through hole that parallel to the axis.
5. according to the described supercharging tubing pump of claim 1, it is characterized in that: the small plunger of a band plug is arranged in special knot hoop center hole, and this plunger can be taken action up and down in center hole.＾＾
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98236554 CN2346957Y (en) | 1998-01-22 | 1998-01-22 | Ram pipe oil-well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98236554 CN2346957Y (en) | 1998-01-22 | 1998-01-22 | Ram pipe oil-well pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2346957Y true CN2346957Y (en) | 1999-11-03 |
Family
ID=33984580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98236554 Expired - Fee Related CN2346957Y (en) | 1998-01-22 | 1998-01-22 | Ram pipe oil-well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2346957Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10260293B2 (en) | 2017-01-18 | 2019-04-16 | General Electric Company | Sensorless manifold assembly with pressure-based reversing fluid circuit |
-
1998
- 1998-01-22 CN CN 98236554 patent/CN2346957Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10260293B2 (en) | 2017-01-18 | 2019-04-16 | General Electric Company | Sensorless manifold assembly with pressure-based reversing fluid circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |