JIMAR Resources Corporation strives to offer all of our clients a single, integrated source for all of their pre and post-acquisition and divestiture land needs. Our commitment, through sound industry practices and proven processes, assures our clients that they are receiving a thorough analysis of their acquisitions and complete data preparation for their divestitures. That’s the JIMAR advantage. We offer a crucial service for the industry at a fair price and we are confident that our leadership and experience is of the highest caliber. When a buyer or seller becomes a client, our goal is to become the primary provider for all of their future acquisition, divestiture and data management services.



Transaction Support
& Consultation

  • Acquisition and divestiture due diligence
  • Deal consultation
  • Analysis of the seller’s files and ownership verification
  • Contract review and well trades
  • Title verification and encumbrance identification
  • Closing documents preparation
  • Acquisition and divestiture file generation
  • Data conversion and data integrity

Data Management

  • In-house support
  • Land record analysis, organization, and modification
  • Land department implementation and on-going support
  • Missing contracts and agreements procedure
  • Advanced GIS mapping

Field Services

  • Lease acquisition
  • Title verification and curative
  • Lease take-off and runsheet packages
  • Right of way and permitting
  • Damage settlement


JIMAR is a fully integrated land services advisory team of professionals that provides transactional and due diligence services for energy assets in prominent resource plays and other basins throughout the United States. The JIMAR team has over 100 years of collective experience in the Oil and Gas industry.

We have a proven track record of leveraging cost savings during acquisitions and divestitures. Our fully integrated land services ensure buyers and sellers alike are getting exactly what they are paying for.

JIMAR Where Experience Counts

Completed due diligence for hundreds of clients on assets with values from a few million dollars to over four billion dollars

Worked in­house to update and integrate land department electronic data, redesigned file rooms for small companies and have been instrumental in developing land departments for new companies.

Conducted all phases of field work.


JIMAR’s presence and success in land and transactional services for 23 years ensures you are working with seasoned due diligence professionals that perform with adherence to the AAPL Code of Ethics. JIMAR is uniquely positioned to identify potential problems during pre and post-acquisition analysis.

JIMAR Resources Corporation was founded in 1993 by Jim and Mary Ruth Perkins. Drawing upon Jim’s 30 years of land experience with large and mid­sized companies and contacts made during his tenure as AAPL President, he and Mary Ruth formed an independent land services company that bears both of their names.


Joe Oslin is the President of JIMAR, heads our Dallas office and has over 25 years of experience in the Oil & Gas industry.


Joe Oslin is the President of JIMAR, heads the Dallas office and has over 25 years of experience in the Oil & Gas industry. He began his career as a geologist for an independent exploration company and after eight years working the geological aspects of the business Joe evolved into the land side of the business and went to work for JIMAR Resources Corporation. From that point he has worked his way from staff land contractor to crew chief and eventually to president of the company.

Joe received a B.S. in Landscape Architecture from Texas Tech University and a B.S. in Geology from the University of Texas at Dallas. He is a long-time resident of Richardson, Texas and grew up around the Oil & Gas industry. He is a father of two sons and a daughter and a grandfather of two grandsons. He is a member of the AAPL and is active in his community.

John A. Hunt is Vice President and Treasurer for Jimar and manages our office in Houston’s Energy Corridor.


John A. Hunt is Vice President and Treasurer for Jimar and has over two decades experience in the Oil & Gas industry. John manages our office in Houston's Energy Corridor. John’s duties include leading JIMAR crews on projects and working directly with clients. Beginning in 1981 at an independent E&P company, he has covered many aspects of land management as both a staff landman and as a contractor. He has worked in several active basins, including East Texas, Louisiana, the Permian Basin, the Mid-Continent, the Appalachian region, the Williston Basin, and the San Juan Basin.

John is a member of the AAPL, HAPL, and holds the Certified Professional Landman (CPL) designation. He received a B.B.A. in Petroleum Land Management from the University of Oklahoma and holds a B.S. in M.I.S. from Central State University in Oklahoma. He enjoys spending time with his wife and their two college age daughters and is active in his church and community.

Jack Oslin is the Manager of Business Development at JIMAR and has over 35 years of experience in the Oil & Gas Industry.


Jack Oslin is the Manager of Business Development at JIMAR and has over 35 years of experience in the Oil & Gas Industry. Jack is a second generation member of the Oil and Gas business. He started as a field landman and has worked throughout the industry as staff landman, VP Land, Director of Business Development, independent operator, and co-founder of industry start-ups. He has an in-depth understanding of the business side of the Oil and Gas industry as well the technical side and is a member of the AAPL.

Jack received a B.B.A. in Marketing from Texas Tech University. Jack is married with two sons and a daughter and is a long time resident of the DFW area and is active in his community.

Jim Perkins is co-founder of JIMAR, now sits on the Board of Directors and serves in a consulting capacity to the company.


Jim Perkins is co-founder of JIMAR and now sits on the board of directors and serves in a consulting capacity to the company. Jim has over 52 years of experience in the Oil and Gas industry and began his career with Texaco where he rose from Land trainee to Assistant Division Landman. In 1976, Jim was hired by General American Oil Company of Texas as Assistant Vice President. In 1981, he became Land Vice President for Dorchester Exploration Company. In 1985 he was hired by ARCO to help reorganize its land department, and later became special project Land Manager for Asset Divestiture and then promoted to Manager of the Acquisition and Divestiture Department. He and Mary Ruth, his wife, founded JIMAR Resources Corporation in 1993 and has served in a consulting capacity since 2005.

Jim received a B.S. degree from Vanderbilt University and is a Certified Professional Landman and Certified Environmental Site Assessor. He grew up in Denver, Colorado and has been a longtime resident of Dallas. He and his wife have three sons and a daughter and have eight grandchildren.

Mary Ruth Perkins is co-founder of Jimar, now sits on the Board of Directors and serves in a consulting capacity to the company.


Mary Ruth Perkins is co-founder of JIMAR Resources Corporation and was President from 2007-2014 and now sits on the board of directors and serves in a consulting capacity to the company. Her interest in land work began with conversations with her father, her marriage to Jim and time she served as Director of Education for the Petroleum Museum in Midland. She has embraced all facets of land work, from the courthouse to acquisition and divestiture due diligence and she designed the JIMAR database in use today.

Mary Ruth graduated from Vanderbilt University with a B.S. in Mathematics and spent her early career as wife, mother, caterer, and youth director. She grew up in New Orleans, has called Dallas her home for 40 years, and spends her time consulting and traveling. She and Jim have three sons and one daughter and eight grandchildren.


Tanos Exploration II, LLC
Brian R. Durman, V.P. - Land, Tyler, Texas

“JIMAR spearheaded several due diligence projects for Tanos Exploration I, LLC in the past several years. Most recently they handled the due diligence for Tanos Exploration II, LLC’s first acquisition. JIMAR has a proven track record with Tanos of conducting its business in a very professional manner as well as delivery of a first class finished project. I would recommend them to anyone looking for a top notch due diligence team.”

Black Mountain Operating, LLC
Luke Mildren - Land Manager - Ft. Worth, Texas

“Since Black Mountains inception, JIMAR has been by our side conducting due diligence and making sure that we didn’t make any missteps along the way. Within six months of our start, Black Mountain closed on over 20 acquisitions in which JIMAR was a crucial part of making this happen. Their ability to move swiftly and accurately allowed us to close deals that many other companies would struggle with.”

Triad Hunter, LLC
Tracy Miskofsky – Land Manager – Marietta, Ohio

“JIMAR provided in-house due diligence for us for two large acquisitions of properties in Ohio and West Virginia. The JIMAR crew provided thorough analysis and review of both leasehold and producing properties. We can recommend JIMAR to provide professional and capable land services for acquisition due diligence.”

Memorial Resource Development Corp.
Kevin Carnahan, Senior Landman – Houston, Texas

“Jimar has assisted Memorial Production Partners with various due diligence projects over the past couple of years. They provide a high quality work product that continues to be helpful in our day to day management of our properties”

BlackWell Exploration & Development, LLC
David L. Schrader, Vice President - Dallas, Texas

“Jimar has completed multiple land projects for Blackwell over the previous ten-year period. Including but not limited to leasing, acquisitions and title runs. The staff and employees were always professional and ready to assist. The continued relationship speaks for itself.”

Glori Energy, Inc.
Thomas Holland - Sr. VP.Acquisitions & Production - Houston, Texas

“JIMAR handled Land due diligence for Glori’s acquisition of two producing fields in East Texas. For both responsive service and technical proficiency, JIMAR came through with flying colors. Their team is skilled, worked very well with the seller’s staff, and delivered their work to the examining attorneys on time. I highly recommend JIMAR.”


Dallas Office

Email us at jack.oslin@jimar.com

4849 Greenville Avenue
Suite 1370
Dallas, Texas 75206



Houston Office

Email us at jack.oslin@jimar.com

10810 Old Katy Road
Suite 203
Houston, Texas 77043