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1、Openhole Packer,MPas New Era Open Hole Packers,MPas New Era Open Hole Packer,Body,Elastomer Packing Element Core,Kevlar Reinforcement,Braided Steel Structural Layer,Deformable Back Up Rings,Outer Elastomer Cover,MPas Packer Design,MPas Open Hole Packer Sequence,Run-In Position,Set Position,Shifting
2、Balance Sleeve (Initiating Setting),Shifting Balance Sleeve (Initiating Setting),MPas Open Hole Packer Sequence,Run-In Position,Set Position,Run-In Position,Shifting Balance Sleeve (Initiating Setting),Set Position,MPas Open Hole Packer Sequence,Size : 5-1/2” Maximum Packer O.D. : 8.03” / 8.075” Min
3、imum ID : 4.592” 4.802” Setting Mechanism: Hydrostatic Cylinder Collapse Rating: 10,700 psi (80ksi MYS) Mandrel Burst Rating: 8,400 psi (80ksi MYS) Mandrel Tensile Strength: 261,000 # (80ksi MYS) Setting Tool Required: Workstring Shifting Tool Maximum Ovality Tested (to date): 8-1/2” x 12”,MPas Pack
4、er Specifications,MPas Packer Specifications,Size : 6-5/8” Maximum Packer O.D. : 9.125” Minimum ID : 5.696” Setting Mechanism: Hydrostatic Cylinder Collapse Rating: 5,000 psi (80ksi MYS) Mandrel Burst Rating: 5,700 psi (80ksi MYS) Mandrel Tensile Strength: 575,000 # (80ksi MYS) Setting Tool Required
5、: Workstring Shifting Tool Maximum Ovality Tested (to date): 9-1/2” x 11”,Size : 4-1/2” Maximum Packer O.D. : 5.625” Minimum ID : 3.8” Setting Mechanism: Hydrostatic / Hydraulic Tested w/ 4,100 psi Hydrostatic + 3,000 psi Hydraulic Setting Pressure Cylinder Collapse Rating: 7,500 psi (80ksi MYS) Man
6、drel Burst Rating: 8,440 psi (80ksi MYS) Mandrel Tensile Strength: 289,000 # (80ksi MYS) Setting Tool Required: Workstring Cup Tool Maximum Ovality Tested (to date): 6” x 7-1/2”,MPas Packer Specifications,Example Installation Sequence,Example Installation Sequence,Setting Tools,SSC,MAIC,HB-1,Cup Too
7、l,Location : Timor Sea, AustraliaOperator : ConocoPhillipsField : Bayu UndanDate : 1st well May 2004# Wells : 3# MPas Packers : 26 (10, 8, 8)Max Deviation : 62 DegreesMax Depth : 10,352 ft TVDMax Temperature : 270 Deg FJob Description : Isolation for water shut off One-Trip System with SelectSet Col
8、let tool run as an integral part of the inner string. Packers set in low-permeability silt stringers to enable future shut-off of water as it ingresses.4.5 hours from TD to set and individually test each of packer.,Multi-Zone Perforated Pipe Case History,Location : Saudi ArabiaOperator : ARAMCOField
9、 : Zuluf Main SandDate : December 2002# Wells : 1# MPas Packers : 4Max Deviation : 90 DegreesMax Depth : 6,500 ft TVDMax Temperature : 200 Deg FJob Description : One-Trip System with MAIC tool run as an integral part of the inner string. Packers used to increase production capabilities of equaliser
10、screen. PLT run and isolation proven.,Equaliser Screen Case History,Location : Eastern Province, Saudi ArabiaOperator : ARAMCOField : GHZL-9# Wells : 1Date : December 2003# MPas : 2Max Deviation : 81 DegreesMax Depth : 13,500 ft TVDMax Temperature : 260 Deg FJob Description : All project objectives
11、were met. Deepest ML Junction deployment depth to date of 14,082 ft. First FBIV w/ Hook Hanger and LEN systems. First MPas Instillation in ML Well.,Multilateral Case History,Max Temperature270F Max Dogleg Severity8/100ft Max Measured Depth20,682 ft Max Total Vertical Depth13,500 ft Max Deviation93.1
12、 Max Deviation at Packer89.5 Max Mud Weight10.6ppg,MPas Installations Details,REPacker,The water reactive section consists of water absorbing particles incorporated in a field proven Nitrile-based polymer. These particles swell via absorbing water which in turn expands the rubber without being physi
13、cally absorbed into the rubber matrix which can adversely effect properties The oil reactive section utilizes oleophillic polymers that absorb hydrocarbons into the matrix. This process is a physical uptake of the hydrocarbon which swells, lubricates and decreases the mechanical strength of the poly
14、mer chain as it expands.,REPacker Features & Benefits,Simple deployment, requires no running tools Simple installation, no special personnel required No moving parts Rubber bonded to mandrel allows for run in through deviations Optimized for maximum expansion while retaining critical properties Seal
15、 self-energizes in annular fluids Continues to react with well bore fluids to provide long term annulus isolation,ARAMCO 1/5 Scale Reactive Element Packer Test (Oil Reactive Element),7” (1.4”) by 8.2” (1.64”) in 8.5” (1.7”) 5000 PSI 4.5” (0.9”) by 5.8” (1.16”) in 6.125” (1.23”) 5000 PSI 3.5” (0.7”)
16、by 5.8” (1.16”) in 6.125” (1.23”) 3900 PSI,REPackers Post-Test,RE Packers Pre-Test,Note: The packers were not tested to failure. Maximum differential pressure exceeds values shown.,Full Scale Testing,2-7/8” by 4.2” OD 9 ft. Water-Reactive in 4.9” 4,700 PSI (63% Swell) 4-1/2” by 5-5/8” 9 ft Water Rea
17、ctive in 6.3” 3,500 PSI (70% Swell) 5-1/2” by 7-3/4” 6 ft. Oil Reactive in 8.9” 1,750 PSI (64% Swell) These Test Results Used to Develop Math Model,REPacker 4-1/2” by 5-5/8” in 6.3” Fixture,REPacker 2-7/8” by 4.2” in 4.9”,New Products Being Tested,Improved Water Swell Rubber Compound Improved Durome
18、ter (75 Compared to 50) Greater Maximum Swell % (130 Compared to 100 Wrapped on a Mandrel) Better/Easier Bonding Characteristics,New Product Waiting on Test Results,RCPacker w/ Improved Water Swell Rubber Compound Use 200% Swell for Swelling Elastomer When Used in RCPacker Element Inflation w/ Fresh
19、 Water or Fresh Water Mud Testing w/ New Elastomer and Improved Manufacturing Techniques May Allow Swell Greater Than 200%,New Products Being Developed,Modular Split Packer Waiting on Swell/Pressure Test Easy to Install Directly to Customers Pipe/Screens Can be Molded by Outside Vendor to Reduce Cos
20、t and Ease Manufacturing Loads Will be Available with Metal End Sleeves and Have Ability to Interlock Multiple Segments US Patent Application in Place,New Products Being Developed,Slip on Packer Installation Tool, Procedure Under Development Length Expected 1-3 Each Can be Mandrel Wrapped by Outside
21、 Vendor to Reduce Cost and Ease Manufacturing Loads May be Available with Metal End Sleeves,Wellbore Isolation Portfolio,Reactive Element (RE) Optimized for maximum expansion while retaining critical mechanical and chemical properties No running tools required No specialist required Self-energizes i
22、n water or oil environment (2 separate polymers) Element retains seal in hydrocarbon or water environments Hydrocarbon exposure causes no deterioration of critical water-reactive seal element properties Reactive Element Technology REPacker REBarrier Hinged Stretch-on,REPacker,REPacker,Critical Opera
23、ting Factors for REPackers,Primary Factors Affecting REPacker Performance,% Swell Swell Rate Element Length,Factors Affecting % Swell,Fluid Composition Water swell elastomer Higher salinity = lower % swell Lower salinity = higher % swell Divalent salts (CaCl2, CaBr2, ZnBr2) = little to no swell Oil
24、Swell Elastomer Heavy oil = lower % swell Light oil = higher % swell,Salinity vs. % Swell,Factors That Affect Swell Rate,Temperature Higher temperature = higher swell rate Lower temperature = lower swell rate OD of element Element OD increases at similar rate Independent of total rubber volume,Swell
25、 Rate vs. Temperature,Swell Rate vs. Element OD,REPacker Pressure Rating Affects,% Swell Less % swell = higher pressure rating More % swell = lower pressure rating Temperature Lower temperature = higher pressure rating Higher temperature = lower pressure rating Element length Longer element = higher
26、 pressure rating Shorter element = lower pressure rating,Recent Developments (contd),REPacker Fullscale Testing 4.5” x 5.625” x 10 ft oil-swell in 6” hole tested Held 10,000 psi for 24 hours 230F (no bypass) 4.5” x 5.625” x 10ft water-swell in 6” hole Held 10,000 psi for 24 hours 230F (no bypass) 5.
27、5” x 7.75” x 10ft water-swell in 8.5” hole tested to 4,500 psi (fixture limit) at 230F 4.5” x 5.875” x 25ft oil-swell in 6.250” hole tested to 10,000 psi at 290 deg F,Case Histories,Offshore India (Oct 07) Level 3 Hook w/ 4-1/2” RE 6” OH lateral Sliding Sleeves to shut-off water inflow LEN installed
28、 for selectivity,Case Histories,Onshore Mexico (Oct 07) (3) 5-1/2” x 6-1/8” 10ft oil-swell REs with liner hanger 6-1/2” OH (normally cemented) Packer depths: 5715m, 5825m, 5895m. Reduced rig time by 2 days Eliminated Cementing and Perforating,Case Histories,Bakken Shale (US) Dec 2007 8 Stage frac wi
29、th Hyd. Frac sleeves Lateral Length: 7740,24hr start-finish Next step: Tri-lateral Selective stage fracing Frac-Point sleeves 30+ REs,Case Histories,Bolivia (Dec 07) (2) 4-1/2” x 5.8” oil-swell REs Set inside 6.25” sidetracked OH Deepest ever RE Job to date 5440m and 5960m Eliminated risk from cement and perforating No running tools / personnel required,