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RM (ReverseMark) Pumping Unit

Date:2024-05-06 Popularity:660

RockySea Petro RM Pumping Unit

  • Using AutoCAD, Solid Works computer software to design drawings, using virtual prototype technology to simulate and verify strength.
  • RockySea Petro adopt the principle of combining International Standard, National Standard and User’s view to design.
  • RockySea Petro has passed ISO9001, SO14001 and OHSAS18001 certificate.

RM pumping unit is designed on the basis of conventional beam pumping unit, which can change the time of up and down stroke of the pumping unit and is suitable for heavy oil recovery.

Description 

RM (Reverse Mark) pumping unit is based on the conventional beam pumping unit, which optimizes the four-rod structure and designs the out-of-phase angles on the crank. The operation of conventional beam pumping unit is limited by its own structure, which has low stability, low efficiency and high energy consumption. RM pumping units with crank out-of-phase angles take different time to run up and down strokes. The longer upstroke time and the lower average speed of the horsehead can increase the downpump’s filling coefficient and extract more oil for the same unit of energy consumption. It’s more efficient and uses less energy.

reverse mark pumping unit structure diagram

The RM pumping unit has changed the connection mode between the beam and the beam, and the tail of the beam is at an Angle of 20°. According to calculation, this structure can make the four-bar mechanism of the pumping unit operate more stably, reduce the impact force of load on the connecting bolts, and ensure the service life under the maximum impact load.

Be An Expert When Importing Pumping Unit

  • Non-Pumping Unit Guide: Advantage analysis ,Disadvantage analysis ,The Complete Guide.
  • Troubleshooting Guide: Learning instruction ,Accumulate experience ,Made In China.
  • Pumping Unit Buying Guide: Reliable manufacturer ,Pre-delivery inspection Increase ,Pump Efficiency.
  • Supplier Selection Guide: Certificates ,Production equipment ,QC& after-sales service.

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Data Sheet

Model
RM912D-427-192RM912D-427-168RM912D-365-168RM640D-365-168RM640D-365-144RM456D-365-120RM456D-305-144
Basic ParametersRated Polish Rod Capacity (lbs)42,70042,70036,50036,50036,50036,50030,500
Stroke Length (in)192/168/144/168/144/120168/144/120168/144/120144/120/100120/100/86144/123/101
Max. Stroke Frequency (r/min)88810101010
Balanced TypeCrank Balanced
Crank DirectionClockwise
Gear
Reducer
Rated Torque(in.lbs)912,000912,000912,000640,000640,000456,000456,000
Model912D912D912D640D640D456D456D
Gear TypeDouble circular arc gear reducer or Involute gear reducer
Reducing Ratio28.7928.7928.7928.36328.36328.25528.255
Center Range (in)48.4348.4348.4341.3441.3439.3739.37
Center Height (in)30.9130.9130.9125.9825.9825.5925.59
Oil Storage quantity
(U.S. Gal)
180180180106106100100
Lubricant20# Gear lubricant in winter,200# Gear lubricant in summer
Sheave Diameter(in)50″50″50″ 50″ 50″ 44″ 44″
Sheave groove type7C7C7C6C6C5C5C
Balance AssemblyWeight of Cranks (Lbs)6489×26489×26404×26489×26404×25651×25651×2
Wrist Pin bore
Positions (in)
454545454538.9838.98
36.5436.5436.5436.5436.5431.3831.38
28.0728.0728.0728.0728.0723.7823.78
Wire LineTypeΦ32(6*37+IWR-1770 MPa)Φ32(6*37+IWR-1770 MPa)Φ32(6*37+IWR-1770 MPa)Φ32(6*37+IWR-1770 MPa)Φ32(6×37+IWR-1770 MPa)Φ32(6*37+IWR-1770 MPa)Φ32(6*37+IWR-1770 MPa)
Length (in)508460460460410350410
Structure Unbalance (lbs)-2700-940-900-900230590-500
Overall Dimensions
L*W*H (in)
566×139×398538×139×369538×139×369530×139×369502×139×357451×139×309479×139×321

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