EMPC Final Intern Presentation Caitlynn Roy EMPC Projects

EMPC Final Intern Presentation Caitlynn Roy EMPC Projects Execution Intern 7 August 2014 This presentation includes forward-looking statements. Actual future conditions (including economic conditions, energy demand, and energy supply) could differ materially due to changes in technology, the development of new supply sources, political events, demographic changes, and other factors discussed herein (and in Item 1 A of Exxon. Mobil’s latest report on Form 10 -K or information set forth under "factors affecting future results" on the "investors" page of our website at www. exxonmobil. com). This material is not to be reproduced without the permission of Exxon Mobil Corporation.

Agenda • Safety Moment • Other Experiences Gained • Background • Lessons Learned • Projects • Questions Proprietary 2

Safety Moment - H 2 S Detection • What happened? • What is the proper monitor placement? • Goldsmith Tract 2 Gas Leak • H 2 S Monitor Alarmed • Always place monitor at or near your face as to detect any H 2 S presence • Make sure sensor is not obstructed by clothing and facing outward • Awareness: • Be aware of your surroundings • Always know the wind direction • Test the monitor each time you use it Proprietary 3

Background • Born: Dover, Delaware • Hometown: America • School: New Mexico State University – May 2016 • Degree: Chemical Engineering • Past Experience: • NMSU Aggie Innovation Space • NMSU Reduced Gravity & Biomechanics Lab • Involvement: American Institute of Chemical Engineers, Tau Beta Pi Proprietary 4

Project Assignments - XTO • MPZ/ROZ Expansion • Field: Means • Field: Monahans • Location: Andrews, TX • Location: Wink, TX • Facility: Sub-Battery 228 • Facility: University Block 20 • University Block 20 Proprietary 5

Means Field • History Well Work Plan • 1934 – Discovered • 1963 – Start Water Flood • 1983 – Start CO 2 Flood SB 228 • Main Pay Zone / Residual Oil Zone • Re-developing the MPZ Phase 1 • Expanding CO 2 into ROZ • Expansion will increase oil production from 6, 000 bpd to 13, 000 bpd • Cost • Total Investment: $635 Million ($440 already funded) Proprietary North Dome Expansion 6 Other Expansion Areas

XTO - MPZ/ROZ Expansion • Scope: • Determine capacity of current facility • Determine facility design required forecasted rates • Findings: • Concluded that Sub-Battery 228 will experience bottlenecking due to the current piping Current Rates Forecasted Rates Liquid (bpd) 8, 000 36, 000 Gas (MMscfd) 4. 5 31 Proprietary • The forecasted gas production requires significant facility upgrades 7

SB 228 - Present Plot Plan Test B Test 8’x 20 ’ A A B To T B 200 Test To Current Rates Forecasted Rates Liquid (bpd) 8, 000 36, 000 Gas (MMscfd) 4. 5 31 Proprietary 8 CS GCF/M Production

SB 228 - Proposed Plot Plan New 6” Test Header New 10” Vent Line New 10” Header C B Test New 10’x 30’ Sep 8’x 20 ’ Test A A 00 To TB 2 Install: Test Production 10” Header F/MCS To GC 10” Vent Line 10’x 30’ Prod. Sep GCF Tie In Points Additional Water Line Proprietary B 9

Deliverables – P&IDs & Plot Plans Proprietary 10

Deliverables - Sizing • Vessel • Pipe Line • Retention Times • Pressure Drop • Gas Composition • Moody Friction Factor • Slender Ratio • Pressure Safety Valves • Reynolds' Number • Erosional Velocity • Total blocked flow • MAWP Proprietary 11

Deliverables New Facility Design New 10” Header • AFE – Cost: $750 k Key: New Equip. • Design Review New 6” Test Header • Cost Estimates Existing Equip. C • Scheduling A Test B Production • Next Steps: To TB 200 • Bill of Materials 6’x 15’ Test A • Passing onto the facility engineer • Construction to complete in October/November To Vent To 10” Vent Proprietary 12 8’x 20’ Sep To TB 200 6’x 15’ Test B To GCF New 10’x 30’ Sep

XTO University Block 20 Expansion • History: • University Land • Drilling started 2 ½ years ago • Better production than expected • Plan: • 4 wells are planned • Additional separation and treating required to meet forecasted production Design Rates for Each Block 20 & 21 • Scope: • Locate potential tie-ins Emulsion Oil Water Gas • Determine appropriate sized vessels • Determine line sizing Proprietary 13 Forecasted 4080 1500 2600 2080 Existing Production New Production Separators Separator (5'x 15') Qty: 2 Qty: 1 9800 3700 6200 9000 4900 1900 3100 4500

University Block 20 – Plot Plan Existing Block 20 Test Sep New Block 20 Test Sep Existing Block 20 Prod Sep New H/T Existing H/T New Block 21 Prod Sep Existing Block 21 Test Seps Proprietary 14

XTO University Block 20 Expansion • Proposed solution • Deliverables: • (2) 5’x 15’ Separators • P&IDs, Plot Plans • (1) 6’x 20’ Heater Treater • Sized vessels, lines, PSV, pumps • (1) Transfer Pump • AFE – Cost: $575 k • Modified Headers • Commission – Mid September Proprietary 15

Deliverables - Sizing • Heater Treater • Transfer Pumps • Nomograph • 1 Stage • Sivall’s Manual on Crude Oil Treating • Size: 1 x 2 - 10 Proprietary • Impeller Size: 8. 875 in 16

Other Experiences Gained • Opportunity to work with XTO and travel to Midland, TX • Fracking & Acid Job • Perforation Job • Fabrication Yard • Enerflex Compression Skids • TB 200 Construction Proprietary 17

Lessons Learned • Value of a hands on experience • Importance of traveling to the field • Efficiency of asking an expert • Importance of engaging operations during design • Unforeseen issues not yet considered • Learning to be aware of the larger scope Proprietary 18

Thank You, Any Questions? Take the attitude of a student, never be too big to ask questions, never know too much to learn something new. -Og Mandino Proprietary 19