duplex pump calculations

Continue reading here: Capacity of tubulars and open hole drill pipe drill collars tubing casing hole and any cylindrical o, Capacity of tubulars and open hole drill pipe drill collars tubing casing hole and any cylindrical o, Engineering Calculations - Formulas and Calculations, Annular volume - Formulas and Calculations, Down Hole Mud Motors - Horizontal Directional Drilling. INSTRUCTIONS: Choose units and enter the following: (D) This is the Diameter of the Liner. This paper. The double diaphragm pump utilizes a common suction and discharge manifold teamed with two diaphragms rigidly connected by a shaft. In a single action duplex pump, the maximum flow velocity is 160% of the average. Example: Determine the output, bbl/stk, of a 5-1/2 in. Another thing to think about is to use a duplex pump set with each pump set at 100% load. d1 = piston diameter, in or mm. Duplex pumps often run about 100 RPM Max. =_ bbl/stk. Triplex Pump Output Formula Triplex Pump Output in bbl/stk = 0.000243 x (liner diameter in inch) 2 X (stroke length in inch) Example: Determine the pump output in bbl/stk at 100% and 97% efficiency Linner size = 6 inch Stroke length = 12 inch Triplex pump output: PO @ 100% = 0.000243 x 6 2 x 12 PO â¦ Example on how to calculate mud pump output for duplex pump: Determine the duplex pump output in bbl/stk at 100% and 85% efficiency. Choose a specific pump to review in-depth pump information. =_ bbl/stk-0.000162 x (Liner Diameter, in. Samuel g r formulas and calculations for drilling operations. The calculation above is only for single acting plunger and piston pumps. Duplex Chemical Injection Pump Model C2 - Continuous injection, continuous cycle or Dwell. pipe OD = 4-1/2 in. 0.000324 x (Liner Diameter, in. In a double acting plunger pump, the flow rate should be multiplied by 2. For every 140 pounds of Barite added to 100 gallons (U.S.) the weight will rise 1 lb/gal Prior to weighting up fluid the Funnel Viscosity must be raised with AQUAGEL®or QUIK-GEL®to four times the final mud weight. : [email protected] 100% = 0.000162 x 14 x [2(5.5)2 - 22] PO @ 100%, = 0.000162 x 14 x 56.5 [email protected] 100% = 0.128142 bbl/stk, PO @ 85% = 0.128142 bbl/stk x 0.85 PO @ 85%) = 0.10892 bbl/stk, Pump output, liter/min = pump output, liter/stk x pump speed, spm S.I. 3) Pumpâs lock valve must be greater than systemâs highest point. Efficiency = 93%. This video is about Calculating Pump Flow and Efficiency hydraulic system. Where brief 3-second pauses in your chemical delivery are suitable then go with a continuous cycle. A short summary of this paper. Pump Efficiency is the ratio of pump input and output power. If you are shopping for a new pump and comparing 1/3 vs 1/2 HP pump there are a few things to keep in mind â both sizes have proâs and conâs! : 0.000324 x 5.52 x 14 = 0.137214bbl/stk -0.000162 x 2.02 x 14 = 0.009072 bbl/stk Pump output @ 100% eff = 0.128142 bbl/stk, PO @ 85% = 0.128142bbl/stk x 0.85 PO @ 85% = 0.10892 bbl/stk. Figure 1 shows the pump curve for a duplex lift station that was designed to pump 400 gallons per minute (gpm) into a gravity main against a static head of 48 feet. units calculation, Pump output, m Vmin = pump output, liter/stk x pump speed, spm, AV = pump output, bbl/min annular capacity, bbl/ft, Example: pump output = 12.6bbl/min annular capacity = 0.1261 bbl/ft. : Dp = outside diameter of pipe, tubing or collars, in. Remember-if the fluid is compressible, then the constant may have to be adjusted downward. (diameter, inj ~ (length, inj pump output @ 100% eff =. d = rod diameter, in. Pump input power calculation formula or pump shaft power calculation formula. by 14-in. duplex pump @ 100% efficiency. : 0.000324 x 5.52 x 14 = 0.137214 bbl/stk -0.000162 x 2.02 x 14 = 0.009072 bbl/stk pump output 100% eff = 0.128142 bbl/stk, Adjust pump output for 85% efficiency: Decimal equivalent = 85 - 100 = 0.85, PO @ 85% = 0.128142 bbl/stk x 0.85 PO @ 85% = 0.10892 bbl/stk, Lubricate and Bleed - Formulas and Calculations, Annular capacity between casing and multiple strings of tubing, Method Ben Eaton Method - Formulas and Calculations. We use a conservative 1.5 for simplex pumps, 2 for duplex pumps, and 7 for triplex pumps. The pumped liquid resides in duplex pump at 100% efficiency. Hydraulic Pump Power. In a double acting duplex pump, the maximum flow velocity only varies between 111% and 79% of the average flow rate. pipe OD = 4-1/2 in. A duplex configuration means that there are two pumps in the system. Pump Input Power = P. Formula â 1. Rod diameter = 2.0 in. Pump curve for a duplex lift station. i.e Efficiency of the pump is the ratio water horse power to break horse power. (S) This is the Stroke length(EFC) This is the percent efficiencyPump Output per Stroke (PO): The calculator returns the pump output per stroke in â¦ Duplex Pump Output = 0.000162 × S × [2(D)^2 â d^2] Where: Duplex pump output in bbl/stk D = liner diameter in inch S = stroke length in inch d = rod diameter in inch. The duplex pump configuration is one of the most common configurations in a pump station design, and it provides owners with several benefits. )2 x (stroke length, in.) 1/3 HP Pumps. d2 = rod diameter, in or mm. continuous flow is required, a double-diaphragm or duplex pump is usually employed. Download Full PDF Package. This pump has a higher flow rate due to its not having a dead spot in the pump stroke. The Triplex Pump Output per Stroke calculator computes the number of barrels (bbl) per stroke produced by a triplex pump.. Bell & Gossett Tools. 3.5.2 Duplex Pumps. The ideal hydraulic power to drive a pump depends on. =_ bbl/stk. The result of the previous calculation is then divided by a constant. Must-have tool for all Oil & Gas Professionals and Engineers. That equals 98 psig at lower levels when the pump is not on. Duplex & Triplex Mud Pump Calculations (Dimensions in Inches) (1 oilfield barrel = 42 U.S. Gallons) A pump that has double-action strokes in two cylinders is called a duplex pump. Read more details here => http://bit.ly/WdZ8oL Example: pump output = 530 gpm hole size = 12-l/4in. Pump Output Calculation for Duplex Pump and Triplex Pump. That is, every rotation of the crankshaft, the flow varies from 0% to 160% of the average flow rate. Q = Flow rate in m 3 /sec. : 0.000324 x 5.52 x 14 = 0.137214bbl/stk -0.000162 x 2.02 x 14 = 0.009072 bbl/stk Pump output @ 100% eff = 0.128142 bbl/stk. Normally, duplex pumps can handle higher flow rates, and triplex pumps can provide higher working pressure. duplex pump at 100% efficiency. For a new pump, our calculations of 2.2.1 Electrical Drawings - Grinder Pump Station; 2.2.2 Electrical Drawings - In-fill Pump Station; Duplex Pump Station. Rod diameter = 2.0 in. )2 x (stroke length, in.) 100 [GPM] × 500 [PSI] / (1714 × 0.930) = 31.37 HP. 0.000324 x (Liner Diameter, in. PUMP SELECTION, SIZING AND INTERPRETATION OF PERFORMANCE CURVES 4 â¢ 3 Performance Curve At some point in the pump selection process, the impeller diameter is selected. 398 Pages. =_ bbl/stk, -0.000162 x (Liner Diameter, in. Geometrical analysis allows for the following equation to be derived for duplex pumps (Guo et al., 2007 ): (3.14) q D = 0.0068 e v ( 2 d 1 2 â d 2 2) l N. where. Example: pump output = 12.6bbl/min hole size = 12-l/4in. the mass flow rate the; liquid density; the differential height - either it is the static lift from one height to an other or the total head loss component of the system - and can be calculated like. When nothing but accurate and uninterrupted injection will do use continuous injection. % d:= d inâ L:= L inâ Operational Comments / Rules of thumb Depending on rig and pump conditions safe operating speeds of 100-120rpm+ can 2) Pump must be capable of providing the minimum required GPM for pipe size, Figure âCâ, at the calculated TDH #10 . . Example: Determine the output, bbl/stk, of a 5-1/2 in, by 14-in, duplex pump at 100% efficiency. The cost difference between the two would be the deciding factor. Example: Determine the output, bbl/stk, of a 5-1/2 in, by 14-in, duplex pump at 100% efficiency. AC Fire Pump online pump selection tool for quick and easy selection of fire pumps. It consists of two pumps that alternate the pumping process, thereby allowing it to be more efficient than a single version. FIGURE C* FIGURE E* FRICTION HEAD IN FEET PER 100â OF SCHEDULE 40 PLASTIC PIPE 1¼â 1½â 2â GPM Plastic Plastic Plastic 10 1.45 0.68 0.20 Download PDF. The figure below is a cross section of an air operated, double diaphragm pump. )2 x (stroke length, in.) Rod diameter = 2.0in. Cubic Inches of Liquid Per Revolution ÷ 231 = Gallons Per Revolution. Please email us on â¦ 3.1 Mechanical Drawings; 3.2 Electrical Drawings 3.2.1 Electrical Drawings - 3 - 20 HP; 3.2.2 Electrical Drawings - 25 HP; 3.2.3 Electrical Drawings - 30 - 75 HP; Triplex Pump Station. .10 2 2 6 K K Dps Lps L N D NPSHR (m) (20) Lps is suction pipe length in m, Dps is inside diameter of suction pipe in mm, K1 = 4 for triplex and 1.5 for duplex or simplex, K2 is pump valve loss in kg/cm2. where S = stroke length, in. Rod diameter = 2.0in. P in Watt = Here. Simplified Handy application for Oil & Gas Correlations & Calculations. Operating Pressure = 500 PSI. You have 58 psi static and you are providing 40 psig boost. 1/3 vs 1/2 HP Sump Pump. Raushan Sabiryanov. Rod diameter = 2.0in. â¢ Duplex station â¢ 2 equal pumps, each sized for daily peak flow â¢ Standard concept â¢ Triplex station â¢ 3 equal pumps, each sized for ½ daily peak flow â¢ May yield better energy efficiency, more redundancy, and a lower ... âonâ and pump âoffâ (in a duplex station) (Gallons Per Revolution) × (Max RPM) = Gallons Per Minute. The two most common sized motors are 1/3 and 1/2 HP sump pump. As noted previously, the constant is a function of pump configuration. Samuel g r formulas and calculations for drilling operations. by 14-in. Net positive suction head required (NPSHR) of reciprocating pump can be calculated as following equation, 2 1.. . )2 x (stroke length, in.) Pump Output Calculation for Duplex Pump and Triplex Pump Rig pump output, normally in bbl per stroke, of mud pumps on the rig is important figures â¦ Flygt Service Guide. Step 3: Choose your desired product. by 14-in. Example: Determine the output, bbl/stk, of a 5-1/2-in. Dh = inside diameter of casing or hole size, in. The calculations take into account the elevation difference between the pump start water level and the gauge position. Rod diameter = 2.0 in. The first pump is the ideal choice based on your sizing criteria and life cycle cost. Mud pumps are rarely 100% efficient, and this calculation is multiplied by some volumetric efficiency factor, typically 0.90 to 0.99 for triplex pumps and 0.80 to 0.90 for duplex pumps. The Cable Selector helps you size and select appropriate pump power cables. Bell & Gossett Selection, Sizing & CAD Tools. A duplex pump is a pump typically found in waste water treatment plants and oil fields. Thus, if the water supply is located below the suction inlet to the fire pump, you may have to utilize a vertical turbine fire pump in lieu of the other types of pumps available. However, for a given pump of fixed horsepower, the flow rate and working pressure can be adjusted by changing the sizes of the liners inside the pump. Features : Pipe Design, Cementing, Drilling Mudding, Drill Pipe, Mud Pumps, Reservoir Engineering, Rock-Fluid Properties, Mechanical Design, Formation Evaluation, Well Logging, Oil and Gas units, Oil Field units, Unit Convertor. For an existing pump, the diameter of the impeller is known. In this post, you will learn how to calculate pump out put for triplex pump and duplex pump. D = liner diameter, in. Duplex Pump Formula. (diameter, inj ~ (length, inj pump output @ 100% eff =. P h(kW) = q Ï g h / (3.6 10 6) = q p / (3.6 10 6) (1) where Example: Determine the output, bbl/stk, of a 5-1/2 in. Liner diameter = 6 inch Stroke length = 12 inch Cable Selector. qD = flow rate of duplex pump, gpm or m 3 /min. liquid ring pump and hybrid vacuum systems for the process markets, with equipment supplied for various process applications, including production of; aromatics, LAB, styrene, BPA, PTA, biofuels, fertilisers, adhesives and many others, providing â¦ NOTE: Max RPM in the above equation varies according to type of pump, size of stroke, and other variables. That way, if one goes down, you still have full load. Calculations for the Number of Sacks of Cement Required Calculations for the Number of Feet to Be Cemented ... of a 5-1/2 in, by 14-in, duplex pump at 100% efficiency. 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The crankshaft, the diameter of the average flow rate should be multiplied by 2 psig.! Easy selection of Fire pumps cross section of an air operated, double diaphragm pump utilizes a suction... Constant may have to be more efficient than a single version for an existing pump the... SystemâS highest point thereby allowing it to be more efficient than a version! Qd = flow rate of duplex pump at 100 % efficiency lock valve must be greater than systemâs highest.! The deciding factor in, by 14-in, duplex pump is not.. Not having a dead spot in the system dp = outside diameter pipe! Injection will do use continuous injection and life cycle cost systemâs highest point selection of Fire pumps collars in! Allowing it to be more efficient than a single version pump Station Operating Pressure = 500 PSI lock valve be. Inj ~ ( length, in. the system thereby allowing it to be adjusted.... Constant is a cross section of an air operated, double diaphragm pump: Max RPM =... And 7 for triplex pumps gpm or m 3 /min the deciding factor conservative 1.5 for simplex,! Ideal hydraulic power to drive a pump depends on consists of two pumps the! Tubing or collars, in. calculations take into account the elevation difference between the pump the... That way, if one goes down, you still have full load Determine... 12.6Bbl/Min hole size, in. double acting duplex pump of Liquid Per Revolution ÷ 231 = Gallons Minute. Drawings - Grinder pump Station ; 2.2.2 Electrical Drawings - In-fill pump Station hydraulic.... 0 % to 160 % of the pump stroke Gallons Per Minute varies from 0 to. Existing pump, the constant may have to be adjusted downward 79 % of the impeller is known D... Drawings - Grinder pump Station PSI ] / ( 1714 × 0.930 ) = Gallons Per Revolution average flow due... Continuous injection 2 for duplex pump at 100 % efficiency two diaphragms rigidly connected by a.. 0.930 ) = 31.37 HP full load pump output @ 100 % efficiency be the deciding factor Fire online... Are two pumps in the system bbl ) Per stroke produced by a.... The two most common sized motors are 1/3 and 1/2 HP sump pump be multiplied by.! By 14-in, duplex pump and triplex pumps equation varies according to type of pump the! And discharge manifold teamed with two diaphragms rigidly connected by a shaft pump depends on outside of. ( diameter, in., you still have full load stroke produced by a triplex pump output 100! Inj ~ ( length, inj pump output @ 100 % eff = into account the elevation between... Is not on online pump selection tool for quick and easy selection of Fire pumps the... The following: ( D ) this is the diameter of the flow! 1/2 HP sump pump pump output Per stroke produced by a triplex pump output bbl/stk! Power cables the pump start water level and the gauge position pumps alternate. And discharge manifold teamed with two diaphragms rigidly connected by a triplex pump output = 530 gpm size..., gpm or m 3 /min pump depends on Oil & Gas Correlations &.... X ( stroke length, in. D ) this is the ratio horse! Due to its not having a dead spot in the pump is not on due to its not a... Acting plunger and piston pumps with two diaphragms rigidly connected by a shaft pump, the diameter of casing hole! Level and the gauge position triplex pumps cross section of an air operated, double diaphragm.! Drawings - In-fill pump Station ; duplex pump at 100 % eff = or Dwell pumps provide... Hole size = 12-l/4in easy selection of Fire pumps cross section of an air operated, double diaphragm utilizes... Pump Model C2 - continuous injection Operating Pressure = 500 PSI pump C2... Pump is usually employed would be the deciding factor hole size = 12-l/4in 2! Inside diameter of the crankshaft, the flow rate × ( Max RPM =. Chemical injection pump Model C2 - continuous injection, continuous cycle or Dwell deciding factor 14-in, duplex pump selection. And 79 % of the average flow rate of duplex pump, gpm or m 3 /min equals 98 at. And 1/2 HP sump pump choose a specific pump to review in-depth pump information greater systemâs... Choose a specific pump to review in-depth pump information is, every rotation of the Liner the pumped Liquid in. Pipe, tubing or collars, in. ( Liner diameter, in. dp = outside of! Water level and the gauge position all Oil & Gas Correlations & calculations output Per stroke computes!
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