Eva lua t in g H ow Flu id Volu m e s a nd Pu m p Pr e ssu r e s a r e Con t r olle d t o Ensu r e a n Opt im ize d St im u la t ion Jim Raney Anadarko Petroleum Director, Engineering & Technology
AGEN D A Shale Well Design Parameters Reservoir Properties Fluid Design Casing Design Downhole Design Shale Well Trial/ Field Test Trial Well Observations ANADARKO PETROLEUM CORPORATION
ANADARKO PETROLEUM CORPORATION
ANADARKO PETROLEUM CORPORATION
ANADARKO PETROLEUM CORPORATION
Sh a le Fr a ct u r e St im u la t ion D e sign Reservoir Properties: 20 80 - k, Permeability - porosity - h, Height - BHP and BHT - Brittleness - Strength/Hardness 9 5/8 3000 Fluid Design: - Compatibility with reservoir -…
Re se r voir Pr ope r t ie s Cor e Te st in g Pr ot ocol for Sh a le Pla ys To Fracture the Rock and Support Fracture Conductivity: Geomechanics Properties Youngs Modulus Poissons ratio Brinell Hardness Brittleness factor…
Re se r voir Pr ope r t ie s Cor e Te st in g Pr ot ocol for Sh a le Pla ys To Design Non-Damaging Fracture Fluid: Rock Wettability in shales and bounding layers Natural and after various fluid invasion Are all shales water wet Most…
Re se r voir Pr ope r t ie s Cor e Te st in g Pr ot ocol for Sh a le Pla ys To Design Non-Damaging Fracture Fluid: Fluid / rock interface effects on Regained Permeability Salt Tolerance Surfactants/flowback Aids Friction Reducers…
Re se r voir Pr ope r t ie s Cor e Te st in g Pr ot ocol for Sh a le Pla ys To Design a Fracture Stimulation to Maximize Production: Design Stimulation to Enhance Production Performance Sand crushing from drawdown Permeability…
W e ll D e sign Ca sing D e sign a n d H or izon t a l Se ct ion To Design an Optimal & Reliable Well: Well Design: Connection Design in the curve is important Bending Load Internal Stimulation Pressure Load Casing Size to optimize…
Tr ia ls in All Sh a le Pla ys Horizontal Placement Test Brittle / Ductile Concept What is best landing depth for optimal production Can ductile zones be stimulated and produced How brittle do you need to be Better well placement…
Tr ia ls in All Sh a le Pla ys ( con t .) Running Microseismic in all plays and tying in to 3-D Seismic and Geology Varying frac rates, proppant types, concentrations, and fluid types in same lateral to look at cause and effect…
M on it or in g of Tr ia ls Monitoring Pressure monitoring during Stimulation and Production Developing new technology with 2 companies novel pressure sensors, transmitters, and receivers for diagnostics pressure monitoring…
ANADARKO PETROLEUM CORPORATION
ANADARKO PETROLEUM CORPORATION
Sh a le W e ll Tr ia l 14 Stages 20 80 100,000 bbl total fluid Volume 9 5/8 2700 40-100 BPM 5,000-9,000 PSI Complexity Existing Fracture Network 2.7 MM total proppant 20/40; 40/70; 100 Sand Conductivity Slick Water + X-link…
St a ge Su m m a r y Stage 1: Open Hole Slickwater at 80 BPM w/ 150,000 prop Stage 2: High Rate (95 BPM) Slickwater w/ 200,000 prop Stage 3: High Rate (95 BPM) Slickwater w/ 300,000 prop Stage 4: Low (40 BPM) Rate X-link w/ 50,000…
Sa n d vs. Pr odu ct ion 20 % 400,00 0 20/40 18 % 40/70 350,00 0 100 mesh Production % 16 % per Stage 300,00 0 14 % 250,00 0 12 % Total Prop, lbs % Production 10 % 200,00 0 8% 150,00 0 6% 100,00 0…
Tot a l Eve n t s vs. Pr odu ct ion ANADARKO PETROLEUM CORPORATION
Eve n t s in Zon e vs. Pr odu ct ion ANADARKO PETROLEUM CORPORATION
% of Eve n t s in Zon e vs. Pr odu ct ion ANADARKO PETROLEUM CORPORATION
Tot a l Slu r r y vs. Pr odu ct ion ANADARKO PETROLEUM CORPORATION
Ave r a ge Ra t e vs. Pr odu ct ion ANADARKO PETROLEUM CORPORATION
W e ll Vie w Pr odu ct ion Log Aft e r t he St im u la t ion 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Water Gas ANADARKO PETROLEUM CORPORATION
Tr ia l W e ll Obse r va t ion s Average crosslink zone contribution = 9% Average slickwater zone contribution = 6% More events do not correlate to more production Higher % of events in zone directly correlates to higher production…