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Gas Well De-Liquification WorkshopAdams Mark Hotel, Denver, Colorado

March 5 - 7, 2007

Solar Powered Beam Pumping Solar Powered Beam Pumping Unloading Liquid from Gas WellsUnloading Liquid from Gas Wells

Mike Poythress - CDI

Gordon Gates – BP America

O. L. Rowlan - Echometer Company

http://www.nitrolifttechnologies.com/

Mar. 5 - 7, 2007 2007 Gas Well De-Liquification Workshop Denver, Colorado

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Solar Powered Beam PumpingSolar Powered Beam PumpingCBM CBM

3882 in3882 in--lblbCC--88--12.512.5--2828

DC MotorDC Motor1/3 HP1/3 HP

Developed as Windmill ReplacementDeveloped as Windmill Replacement


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8 ft x 8 ft Solar Panels1.1. Charge Deep Cycle Charge Deep Cycle

Battery PackBattery Pack2.2. Sun Tracking Sun Tracking

CapabilityCapability3.3. 64 Sq Ft Panels 64 Sq Ft Panels

Provides Provides 370 amp370 amp--hourshours

4.4. 1/3 Hp Electric DC 1/3 Hp Electric DC Motor will drive Motor will drive pumping system 1 pumping system 1 month without sun month without sun lightlight


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8 Deep Cycle 6 Volt Batteries Linked 12 Volt System max 120 Amps Output

Opened Battery CaseOpened Battery Case


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Spool of Continuous Fiberglass RodsSpool of Continuous Fiberglass Rods

1.1. Installed in a minimum of time and manpower.Installed in a minimum of time and manpower.

2.2. Two man crew equipped with a 3/4 ton truck and trailer Two man crew equipped with a 3/4 ton truck and trailer can install the complete lift system in a matter of hourscan install the complete lift system in a matter of hours


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Wellbore DescriptionWellbore Description1.1. Continuous 1350 Feet of Continuous 1350 Feet of ½½ Inch Inch

Diameter Fiberglass RodsDiameter Fiberglass Rods2.2. 1.0625 Inch Diameter Tubing Pump1.0625 Inch Diameter Tubing Pump3.3. 1.251.25”” OD Poly Lined Tubing OD Poly Lined Tubing 4.4. 4.5 Inch Casing4.5 Inch Casing5.5. Fruitland Perforations 1329Fruitland Perforations 1329--1359 1359

FeetFeet6.6. Pump Intake Depth 1357.7 FeetPump Intake Depth 1357.7 Feet7.7. Plugged Back TD 1425 FeetPlugged Back TD 1425 Feet


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Fluid Level Below Perforations at Pump IntakeFluid Level Below Perforations at Pump Intake

PerfsPerfs


80 20.0-0.16

0

0.16

0.31

0.47

0.63

0.78

13.9

Fo Max Fo From Fluid Level

Wrf

Wrf + Fo Max

Kr & Kt1350 Ft 1350 Ft ½½ In Diameter In Diameter

Fiberglass RodFiberglass Rod

1.1. Wt Rods Air = 270 LbsWt Rods Air = 270 Lbs2.2. Wt Rods Fluid = 159 Wt Rods Fluid = 159

LbsLbs3.3. 20 Inch Surface 20 Inch Surface

StrokeStroke4.4. Spring Constant 77 Spring Constant 77

lbs/Inlbs/In5.5. 7.2 Static Stretch7.2 Static Stretch6.6. 13.9 In. Pump Stroke 13.9 In. Pump Stroke 7.7. 556 Lbs Max Fluid 556 Lbs Max Fluid

Load (0 PIP)Load (0 PIP)


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PR 0.087 HP ~ 4.72 SPM ~ 7.9 BPD Pump PR 0.087 HP ~ 4.72 SPM ~ 7.9 BPD Pump DispDisp

Full PumpFull Pump

0.8 Cups / Stroke0.8 Cups / Stroke


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Timer (8 Event Programmable w/ 15 Minutes On)Timer (8 Event Programmable w/ 15 Minutes On)


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PR 0.055 HP ~ 4.86 SPM ~ 3.1 BPD Pump PR 0.055 HP ~ 4.86 SPM ~ 3.1 BPD Pump DispDisp

Pump LeakPump Leak ≅≅0.3 Cups / Stroke0.3 Cups / Stroke

Pump OffPump Off


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Measured Rod Weight within 4 lbs Calculated Measured Rod Weight within 4 lbs Calculated WrfWrf

TV Leak OffTV Leak Off


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Fiberglass RodFiberglass Rod’’s Stressed to 23% of Allowables Stressed to 23% of Allowable


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Net Peak Gearbox Torque 47% of RatingNet Peak Gearbox Torque 47% of Rating

3725 in3725 in--lblb


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Quick Rod System DesignQuick Rod System Design

3725 in3725 in--lblb


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Comparison of Measured and DesignedComparison of Measured and Designed

1)1) Actual Pump Leakage of 37% Actual Pump Leakage of 37% -- Unknown in DesignUnknown in Design2)2) Measured Peak Load 100 Lbs HigherMeasured Peak Load 100 Lbs Higher


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Limitations for 20, 28, 36 Inch StrokesLimitations for 20, 28, 36 Inch Strokes1.0625 Diameter Plunger 4.72 SPM


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Limitations for 20, 28, 36 Inch StrokesLimitations for 20, 28, 36 Inch Strokes1.0625 Diameter Plunger 4.72 SPM


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Operational Design LimitationsOperational Design Limitations1.1. Existing System CExisting System C--88--12.512.5--28 4.72 SPM 1.0625 Plunger28 4.72 SPM 1.0625 Plunger

a)a) Change to the 28Change to the 28”” stroke, With Pump Depth about 2300 feet, stroke, With Pump Depth about 2300 feet,

b)b) Pump displacement of 6 bpd, 0.1 PRHP and 1/3 HP motor OKPump displacement of 6 bpd, 0.1 PRHP and 1/3 HP motor OK

c)c) Peak Polished rod load 1150+, Gearbox torque 6.33 inPeak Polished rod load 1150+, Gearbox torque 6.33 in--Lbs.Lbs.

d)d) Calculating negative load of Calculating negative load of --200 lbs at bottom of fiberglass rods.200 lbs at bottom of fiberglass rods.

2.2. Pump Depth 3000 feetPump Depth 3000 feet

a)a) 3636”” stroke = 3 BPD and/or 48stroke = 3 BPD and/or 48”” stroke = 11 bpd productionstroke = 11 bpd production

3.3. Pump Depth 4000 feetPump Depth 4000 feet

a)a) 6464”” inch stroke you can lift 5 BPD inch stroke you can lift 5 BPD

4.4. Pump Depth 5000 feet with a CPump Depth 5000 feet with a C--2828--3232--100 PU100 PU

a)a) 100100”” inch stroke can lift 15 BPD w/ 1.1 Motor HP and 0.54 PRHPinch stroke can lift 15 BPD w/ 1.1 Motor HP and 0.54 PRHP

b)b) 100 ft of 1 100 ft of 1 ½”½” Weight Bars w/ Unanchored 2.375Weight Bars w/ Unanchored 2.375”” PloyPloy--Lined TubingLined Tubing


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Observations/ConclusionsObservations/Conclusions1.1. Reliable operation Reliable operation –– 3 years without failure3 years without failure

2.2. Installed in a minimum of time and manpower.Installed in a minimum of time and manpower.

3.3. Low Cost OperationLow Cost Operation

4.4. Designed Fiberglass & PolyDesigned Fiberglass & Poly--lined Tubing are lined Tubing are corrosion resistant corrosion resistant

5.5. PolyPoly--lined Tubing prevents abrasion wearlined Tubing prevents abrasion wear

6.6. ½”½” Diameter Fiberglass Rods are Light WeightDiameter Fiberglass Rods are Light Weight

7.7. Fiberglass Rods can be pulled/ran from Spool Fiberglass Rods can be pulled/ran from Spool without the cost of a Work Over Rigwithout the cost of a Work Over Rig


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Disclaimer

The following disclaimer may be included as the last page of a Technical Presentation or Continuing Education Course. A similar disclaimer is included on the front page of the Gas Well Deliquification Web Site.

The Gas Well Deliquification Steering Committee Members, the Supporting Organizations and their companies, the author(s) of this Technical Presentation or Continuing Education Course, and their company(ies), provide this presentation and/or training at the Gas Well Deliquification Workshop "as is" without any warranty of any kind, express or implied, as to the accuracy of the information or the products or services referred to by any presenter (in so far as such warranties may be excluded under any relevant law) and these members and their companies will not be liable for unlawful actions and any losses or damage that may result from use of any presentation as a consequence of any inaccuracies in, or any omission from, the information which therein may be contained.

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