Tim Walker Email & Phone Number

Houston And International

Extensive knowledge of completions, workovers, production, new technology and equipment design, wireline operations, shelf, inland waters and onshore operations, subsea and international operations.  Workovers/Completions  Well Interventions  Sand Control  HPHT Wells  Horizontal and Multilateral Wells  Production Management and Analysis Production Optimization  Well Performance Modeling (NODAL) Water Injection  Environmental/Regulatory  Production Forecasting  NODAL Analysis  Equipment Design  Risk Management (HAZID/HAZOP)  Wireline and Coil Tubing Operations  New Technology  Cost Efficiency/Reduction  Land and Shelf Operations  Drilling Interfaces  Facility Design  Superior Interpersonal Skills

San Antonio Texas Area

Offshore and Land Completions and production engineer, specialist in HPHT environments.

Houston And Worldwide

Reviewed and recommended completion enhancements for Critical Service Wells (CSW) for clients in GoM, Mediterranean, India and Poland, including subsea, platform and land wells. Reviewed life of well scenarios to determine how certain well operations affect tubular designs, including annulus pressure management (APM). Made recommendations to enhance mechanical properties of tubulars to withstand expected future well conditions. Contributed to a tubular design handbook for completions related activities and how they affect the tubular designs.Performed well analysis for a client with high rate gas wells indicating that some of the components might fail under certain producing scenarios resulting in client replacing those components and avoiding potential failures in a subsea well. Workover cost to repair failure would be over $25MM plus lost production.Only completions engineer Invited by PetroChina to present at recent HPHT conference in Korla, China.Provided decommissioning and intervention support for 19 mile pipeline located in 4,000 ft water depth in GoM. Reviewed in pipe work for clean out of pipeline utilizing coiled tubing.

San Antonia Texas Area

Houston, Texas Area

Ciudad Del Carmen

Provide completions advice for PEMEX's first HPHT well offshore Bay of Campeche. Review existing strategy and recommended alternatives based on industry Best Practices for HPHT wells. Established Standards within PEMEX for HPHT procedures and equipment specifications. Oversee final segment of drilling in preparation for completion and well testing.

Houston, Tx

Completions/Production Engineer for operated and non-operated properties in GoM, inland waters, and land operations including HPHT wells. Assigned to work with Freeport McMoRan in the development of the Shelf Ultra Deep HPHT project involving pressures in excess of 25,000 psig and 450F. Aided in well planning and designing and testing of numerous new products for HPHT wells. Provided operation input during critical well operations.► Managed a $2B project resulting in successfully completing some of the highest pressure and temperature wells in the world.► Developed methodology to allow for recovery of tubing in Ultra HPHT Wells where conventional wireline tools would fail. Resulted in rig savings of $5MM on one well. ► Initiated underbalanced perforating techniques for frac pack wells resulting in reducing skin damage to negative numbers.► Engineering Champion for Production Technology including reviewing new completion/production enhancement projects such as an installation of chemical tracers embedded in GP screens for horizontal wells to determine where water influx occurred. Introduced newer Hydraulic Workover equipment and initiated PERM(Production Engineering Risk Management).► Prepared and executed completions in approximately 29 wellbores ranging from HPHT wells to shunt tube technology, including multi-zone completions. Numerous well completions exceeded all-time production rates in the area of ST 21 due to introducing frac pack technology to the existing field. The annual budget ~ $50MM.

Houston, Texas Area

Production/Completion Engineer for operated and non-operated properties in the Gulf of Mexico. Provided completion planning on an integrated project team for Atlantis Subsea Development project in 6800’ water depth and Mad Dog Spar Development. ► Developed a space out method utilizing existing tools for DeepWater Atlantis project resulting in savings of $500K (24 hrs) per well in rig time. This technology was used on 22 wells during field for a savings of approximately $11MM.► Developed Basis of Design for completions, including detailed front end loading (FEL), schedule timing, and cost estimates for deepwater and shelf operations (operated and non-operated properties).► Reviewed subsurface requirements for project development of exploratory/appraisal projects and made recommendations on development options in regards to completions and production for wells. ► Lead engineer for gravel pack fluidization study to determine how to effectively and safely ramp up wells during initial production and maximize drawdown to increase well productivity.► Provided completions/production input to subsea tree standardization project to establish a fit for purpose tree design and interfaces between drilling, completions, production and facility design, including wellhead to tree and tree to subsea architecture interfaces.► Performed numerous SIT/FAT tests and protocols to minimize completion installation downtime by utilizing hands-on approach including utilization of rig crews to accomplish the “team” feel for the project.► Worked with vendor to establish FEA analysis in fields susceptible to compaction issues. Used data to aid in slip joint design to minimize compaction effects in sand face completions.► Aided in reviews of rig design and optimization to achieve the best in class completions for Atlantis Project. Resulted in a contract being awarded to GSF for a new build Gen 5 rig.

Houston, Tx

Responsible for successful design and implementation of completions and workovers in Gulf of Mexico Region and International DST and Completions. ► Designed and developed first SMART well for Kerr McGee to be used in completing a DeepWater well that was uneconomical without it. Resulted in a successful completion of a subsea well with 8 BCF of reserves that otherwise was uneconomical in addition to expediting reserve recovery by 3 years. KM adapted SMART Well technology on a go forward basis because of this success. ► Designed completion and well tests for Bohai Bay, China, well that successfully tested 8 sands and led to KM developing the field. The local oil company had not had success in completion the wells. Field development was over 15 wells based on this success and is currently producing. ► Utilizeda DiPole Sonic tool to evaluate sanding potential of well in order to eliminate the need for gravel packing each zone for the Bohai Bay, China well. Resulted in a successful test of the well with only one sand producing sand as was predicted by the log. Resulted in a cost saving of over $1M.► Out of the box thinking resulted in the installation of compact well heads allowing for simultaneous operations while the rig was on platform resulting in a savings of approximately $300K.► Prepared AFE’s and procedures for recovery of two subsea trees and the refurbishment of same. Re-installed the two trees in separate subsea completions. Initiated the design of 14 SPAR wells and five subsea wells for the Boomvang/Nansen project in 3500’ of water.► Implemented new perforating techniques for deepwater platform rig that saved $535K and 93 hrs of rig time. Completing a Ewing Banks 910 triple stack pack with dual strings in 14 days by using EL perforating vs. TCP. Received 7 S.C.O.R.E. awards in recognition of exceptional performance in completion operations.

Houston, Tx; Assen, Netherlands; Muscat, Oman

► MULTILATERAL PROJECT MANAGER | MUSCAT, OMAN Designed and implemented a multilateral project of 11 wells for Petroleum Development Oman (Shell) in the Middle East. Reviewed well applications and worked with area production technology teams to design most efficient and practical solutions for such wells. Reviewed design of critical components and procedures during HAZOP and HAZID studies to determine potential weaknesses in systems operations. ► SENIOR PROJECT ENGINEER | ASSEN, HOLLAND Seconded to the NAM (Royal Dutch Shell) as a completions engineer. Reviewed the design and equipment of completion projects within NAM, including onshore and offshore. Projects included underbalanced completions and high- pressure gas wells including gas storage wells. Developed several applications including a downhole swab valve to allow for the introduction of long tools into pressurized wells in an offshore environment. Provided marketing and technical support for all Baker Oil Tool products and services for the drilling departments, including liner hangers, external casing packers, and thru tubing inflatable products. ► SENIOR APPLICATIONS ENGINEER | HOUSTON, TX Responsible for completion design and advice to clients domestically and internationally. Developed marketing strategies for new technology through liaison with operating companies, development of coiled tubing completion strategies, and teaching completion strategy seminars. Designed several different applications that would allow for underbalanced completions of offshore wells in the North Sea. Net result was a significant reduction of fluid losses and formation damage resulting in higher PI’s and higher returns on investment. Took ideas from the field to develop marketing materials that showcased hidden technology, especially introducing packer envelopes to allow the customer to see the operating window of a given packer for a given scenario.

Muscat, Oman

Provided the technical guidance and implementation on completion and workover matters for approximately 250 wells per year, including the introduction of new technology and the updating of the company’s completion philosophies and policies. Budget responsibilities - $50MM annually. ► Designed and implemented installation of 2 3/8” coiled tubing gas lift string using spoolable gas lift valve technology. First time used in the Middle East. Estimated savings versus rig type workover of $100K. Designed completions for 20 well trial test for 3 1/2” coiled tubing including gas lift, ESP, and injection. Received a QISS (quality improvement) award for recommending coiled tubing be evaluated for flowlines.► Managed completion services contract with Camco International. Supervised group of 16 staff whose responsibility was the testing and running of all completion components. The contract value was $5.5M/yr.

Kuwait/New Orleans/Mobile, Al

Responsible for all production, reservoir evaluations, regulatory, facilities, workovers/completions, sidetracks/deepenings, and plugging operations in Alabama, Mississippi, and southeast Louisiana, including coastal waters. ► Increased net profits by $7MM annually by performing extensive field-wide study including NODAL matching and pressure transient analysis resulting in the stimulation of most wells in the field plus the additional drilling of 3 more wells in a 15-year-old field. Production increased 180%.► Employed NODAL analysis software for determining the condensation point for vapor in a retrograde condensate reservoir where severe corrosion was occurring, resulting in all future wells using a premium tubular product to prevent corrosion. This resulted in a reduction in workovers due to corrosion which were averaging over $3MM each.► Introduced the technique of surging wells and underbalanced perforating for sand control in inland waters in south Louisiana. Significantly improved productivity and reduced skins in wells versus traditional perf washing techniques.► Won a Texaco StarQuest award for innovation in partnering with other operators for a $140K reduction in rig mobilization costs.► Assigned to assess damage to Texaco operated wells in the PNZ of Kuwait following the Persian Gulf War. Prepared detailed operating plans for the Kuwaiti government. Directed firefighting and reconstruction teams in Kuwait.► Initiated policy to change gravel packing techniques by developing decision tree analysis structure. Resulted in more teamwork and an increase in successful gravel packs in older wells.► Coordinated P&A project for 7K abandoned wells for Texaco USA operations. Reviewed all state regulations in regard to optimal plugging of wells while minimizing exposure and costs.► Performed corrosion mitigation and audit programs which resulted in a reduction in chemical usage of approx. 8%.