Drilling Fluids Us Citizen

Robert L Coder

Current Location: *** Banister Court Apt 1107 - Lafayette, Louisiana 70507

Email: *********@*****.*** Phone: 337-***-**** / 337-***-**** or 0492 Work Authorization: US Citizen

Available to interview with prior notice

Summary:

Seasoned and highly skilled Drilling Fluids Specialist with over 38 years of progressive experience in the oil and gas industry, including 13 years with MI SWACO / Schlumberger.

Proven expertise in both onshore and offshore drilling operations, with extensive deepwater experience in the Gulf of Mexico, the Pacific Ocean, and internationally in Russia on land.

Adept in all phases of drilling, completions, and workover operations, specializing in the planning and application of water-based, oil-based, polymer, brine, and synthetic-based fluid systems.

At MI SWACO / Schlumberger (2004–2017), I was the lead for drilling and completion fluids programs on high-profile deepwater projects including BP’s Thunderhorse, Holstein Spar, and Nakika, as well as Chevron’s Jack Well and Tahiti wells.

Served as the lead fluids specialist on the Seadrill West Vela, drilling complex wells up to 24,000’, utilizing high-density SBM systems and advanced solids control technologies.

Recognized with a Q-STOP Award for preventing a service quality incident, underscoring a strong commitment to HSE and operational excellence.

Additional consulting roles with Devon Energy, EOG Resources, Shell, and Fieldwood Energy further showcase a consistent record of success in challenging formations such as the Wolfcamp, Bone Spring, Brushy Canyon, B100, B200, B300, Austin Chalk and Eagle Ford Shale.

Technically proficient in WellView, Open Wells, Microsoft Office, and fluid inventory logistics. Strong leadership, safety focus, and a passion for continuous improvement make me a valuable asset to any drilling operation.

Education:

High School / Graduated 1980 (College Prep Courses) United States Marine Corps 1980 – 1984

Skills:

Drilling Fluids Systems:

Water-Based Muds (WBM), Oil-Based Muds (OBM), Synthetic-Based Muds (SBM), Brine, Direct & Indirect Emulsions, Polymer Muds

Additives: Alkalinity Additives, Emulsifiers, LCM, Filtrate Control, Lubricants, Viscosifiers, Weighting Agents (Barite, Hematite, CaCO )

Operations & Engineering:

Horizontal and Extended Reach Drilling

Deepwater Operations (including riserless drilling)

Solids Control & Waste Management

Completion Fluids and Workover Operations

High-Pressure High-Temperature (HPHT) Drilling

Inventory & Logistics Management

Mud Plant & Brine Plant Operations

Software Proficiency:

WellView, OpenWells, Microsoft Word & Excel

Leadership & Safety:

Field Team Supervision

Job Safety Analysis (JSA), Risk Management

HSE Compliance & Incident Prevention (Q-STOP Award Recipient)

Daily Reporting, Lessons Learned Documentation

Mentorship & Crew Collaboration

Certifications and Licenses

MI SWACO Deepwater Board Certified (Advanced) – Including 18 Knowledge Based Assessments, 5 Task- Based Assessments, and Certification Board Review

Baroid Drilling Fluids School (Mud School) – Completed and ranked 6th in class out of 75 students

Safe Gulf / License to Go Offshore

Safe Gulf Land Certification

PEC and PEC Core Refresher

H2S Awareness & Safety Training

United States Marine Corps Veteran (1980–1984)

TWIC Card (Expired) willing to activate.

Professional Experience:

Stellar Drilling Fluids (Devon Energy), Midland TX Aug 2023 - Jun 2025 Drilling Fluids Specialist (Consultant)

Currently unassigned to a rig. In West Texas and New Mexico drilled in the Delaware Basin in the formations of the challenging Wolf Camp, 3rd Bone Spring and Brushy Canyon, B100, B200 and the B300 formations.

Drilling horizontal wells KOPs from 10,000’ – 12,000’, land at +/- 11,000’ to13,000’ @ TVD of 10,000; to 12,500’ (depending on the formation) and drilling 2-mile and 3-mile lateral sections.

Drilling Systems (Freshwater or WBM for spud in, Brine Drilling, Direct Emulsion (BDE), Polymer Mud and Oil Base Mud).

Densities ranged from 8.7 ppg - 9.0 ppg to 11.7 ppg - 14.5 ppg as the well dictated with ECD caps as high as 17.5 ppg.

Sometimes drilled ahead on losses with brine water and produced water, maintaining heavy saltwater mud on the back side for well control to reach casing point.

All drilling mud and chemical additives were Halliburton and Stellar Drilling Fluids Products.

Supervised Solids Control activity.

Maintained logistics for all mud and chemical additive inventories shipped on and off work locations including rig moves.

While there, our TEAM set numerous Devon Energy drilling records, and our rig led the fleet in the average footage drilled per day at times.

AES Drilling Fluids (Devon Energy), Houston, TX (Gulf Coast Division Dec 2021 - Aug 2023 Drilling Fluids Specialist (Consultant)

Drilling horizontal wells in Eagle Ford Shale/ Austin Chalk. KOP at 11,500’, land at +/- 13,300’ @ TVD of 12,600’ drilling 5,000’ to 10,000’ lateral sections.

Drilling Systems (WBM for spud in and Oil Base Mud for production.

Densities ranged from 8.4 ppg to 14.8 ppg as well dictated.

All drilling mud and chemical additives were AES Products.

Supervised Solids Control activity.

Maintained logistics for all mud and chemical additive inventories shipped on and off work locations including pumps and tanks.

While there, our TEAM set numerous Devon Energy drilling records. E.O.G. Resources, San Antonio Division, San Antonio, TX Dec 2019 - Mar 2020

(Layoff due to Covid19)

Drilling Fluids Specialist (Consultant)

Drilling horizontal wells in Eagleford Shale/ Austin Chalk. KOP at 11,500’, land at +/- 13,300’ @ TVD of 12,600’ drilling 5,000’ to 10,000’ lateral sections.

Drilling Systems (WBM for spud in and Oil Base for Production) Densities ranged from 9.0 ppg to 13.5 ppg as well dictated.

All drilling mud and chemical additives were AES Products.

Supervised Solids Control activity and waste management for cuttings along with all related reporting and documentation.

Maintained logistics for all mud and chemical additive inventories shipped on and off work locations including pumps and tanks.

Newpark Drilling Fluids, 805 US 90, New Iberia LA May 2019 - Dec 2019 Drilling Fluids Specialist (Agreed to Hire on as Employee for Project)

Batched Drilled one riserless sections for Shell on the drill ship Deepwater.

Pontus and then was transferred to the drill ship Rowan Resolute for Fieldwood Energy when that project started.

While working for Fieldwood, Sidetracks were drilled in Green Canyon and Mississippi Canyon with Newpark’s KRONOS SBM on existing older wells. Windows were cut at +/- 8,500’ and drilled to

+16,000’TD. Densities ranged from 10.5 ppg to 16.3 ppg as the well dictated.

After all wells were drilled, Tetra came in to perform the completions and we were released.

Left Newpark after completing the project to return to EOG. E.O.G. Resources, San Antonio and Midland Divisions Apr 2018 - Apr 2019 Drilling Fluids Specialist (Consultant)

Drilling horizontal wells in Eagleford Shale/ Austin Chalk. KOP at 11,500’, land at +/- 13,300’ @ TVD of 12,600’ drilling 5,000’ to 10,000’ lateral sections.

In West Texas and New Mexico drilled in the Delaware Basin in the formations of the challenging Wolf Camp, 3rd Bone Spring and Brushy Canyon, B100, B200 and the B300 formations.

Drilling Systems (WBM for spud in, Brine Drilling, Direct Emulsion

(ENERLITE) and Oil Base Mud for Production and Polymer Muds) Densities ranged from 9.0 ppg to 14.5 ppg as well dictated. Sometimes drilled ahead on losses with brine water maintaining heavy saltwater mud on the back side as pressure dictated to reach casing point.

All drilling mud and chemical additives were AES Products.

Supervised Solids Control activity and waste management for cuttings along with all related reporting and documentation.

Maintained logistics for all mud and chemical additive inventories shipped on and off work locations including pumps and tanks.

Miller and Associates Drilling Fluid Consultants, Evangeline LA Sep 2017 - Apr 2019 Drilling Fluids Specialist (Consultant)

Worked on a W&T project in Ship Shoal 339 on a production platform with the drilling rig H&P 107.

Drilling side tracks with 15.5 ppg to 16.8 ppg Oil Base Mud. Used Halliburton “At Balance” while drilling. Followed well plan as directed.

Drilling Mud and Products were Newpark.

After drilling two wells, W&T went into a completion phase.

The completion phase took longer than expected and left Miller.

Associates to consult for EOG in South Texas, West Texas and New Mexico. MI SWACO / Schlumberger, Lafayette LA 70508 Oct 2004 - Sep 2017 Drilling Fluids Specialist/Completion Fluid Specialist

While at MI SWACO, they provided me with many avenues to pursue and expand my potential.

Through self-motivation, obtained all the required training necessary to become deepwater certified. This training encompassed Eighteen Knowledge Assessments, Five Task Based Assessments, followed by an extensive Certification Board Review.

Worked on numerous deep-water projects while at MI, some of the highlights were, 17 Hands for Dominion, Chevron’s, The Jack Well (Walker Ridge) on the Cajun Express and some of the Tahiti wells were drilled with this rig.

Spent the majority of my last ten years at MI working for BP.

Worked on the Holstein Spar, drilled and completed the first well on the Thunderhorse (PDQ), worked on the Nakika Project on the Transocean Marianas and in my final four years there, was the lead for both drilling and completions on the Seadrill West Vela.

While on the West Vela we were in the Thunderhorse Field in

Mississippi Canyon drilling 21,000’ to 24,000’ wells at various angles. For the riserless sections we used Seawater and 16.4 ppg 4x salt saturated WBM. This mud was blended with the MOF as per drilling program. Intervals after the riserless section were all drilled with Reliant SBM. All supporting additives to maintain the Rheliant were MI SWACO products.

Pilot test before enhanced treatments to ensure achievable results.

Received a Q-STOP Award for recognizing and stopping an event which ultimately avoided a service quality incident.

Throughout these projects worked with a variety of individuals and professionals that provided me with a diverse experience of teamwork. It is this experience that has led to my success. Halliburton / Baroid, Lafayette LA Jul 1987 - Oct 2004 Drilling Fluids Specialist/Completion Fluid Specialist

Hired as a Completion Fluid Engineer, focusing exclusively on completion and workover operations for both shelf and deepwater projects during the first two years.

Successfully completed the Baroid Mud School in Houston, graduating 6th in class. Routinely performed both completion and drilling fluids roles as assigned throughout the tenure at Halliburton / Baroid. Contributed to major projects including Mariner’s King Kong, Exxon’s Diana Project (once the longest extended reach well), and Chevron’s Genesis Spar.

Work included land operations in California (Kern Ridge for Shell) and offshore assignments on Exxon’s Hondo and Heritage platforms.

In 2003, assigned to Gazprom in the Astrakhan Region of Russia to conduct drill stem testing (DST).

Served as Project Manager and Mud Engineer, overseeing the construction of a brine and mud plant on-site. Developed all operational procedures.

The wells were high temperature, high pressure (HTHP) with 28% Hydrogen Sulphide. Designed and implemented a new 18.0 ppg WBM system to displace a biologically compromised mud, followed by displacement with 10.7 ppg Calcium Chloride for DST operations.

Maintained contingency plans using 21.0 ppg Zinc Bromide to protect formation integrity during tool changes.

Following project completion, transitioned to a role with MI SWACO.

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