Texas Secondary Oil Corporation Home Services Contact Us Texas Secondary has specialized in the shallow oil industry (above 2,000') in South Texas since its founding in 1970. Operating in excess of 400 wells itself, Texas Secondary provides economical oilfield services to third parties ranging from building locations through drilling, cementing and completion. The company will often take working interest in its customer’s wells or leases for all or part of its billing. Check out our services! Let us work with you! Having no investors itself, Texas Secondary can act as an industry partner or invisible operator on a cash or services basis to investor oriented companies. We are very much working interest oriented and have cash available for participation. . In addition to providing services... We are always looking to buy or participate in shallow development or exploratory prospects. We also acquire producing leases or abandoned wells whenever possible. Copyright 2010 Texas Secondary Oil Corporation. All rights reserved. Web Hosting by Yahoo! Texas Secondary Oil Corporation Devine, TX 78016 ph: 281 375 8757 alt: 713 824 7089 burch@texassecondary.com

Texas Secondary Oil Corporation Home Services Contact Us Contact Us For quotes on and to arrange for oilfield services contact Walker McCullough, District Manager. For prospect participation and lease acquisition contact Burch Downman Corporate Office Devine (Biry) Texas 830 426 7111 Financial Managment Brookshire, Texas Debby Hoffman 281 375 8757 debby@texassecondary.com Operations Devine (Biry) Texas Walker McCullough 830 538 4004 walker@texassecondary.com Executive Management Katy, Texas Burch Downman 713 824 7089 burch.downman@texassecondary.com get driving directions Copyright 2010 Texas Secondary Oil Corporation. All rights reserved. Web Hosting by Yahoo! Texas Secondary Oil Corporation Devine, TX 78016 ph: 281 375 8757 alt: 713 824 7089 burch@texassecondary.com

Texas Secondary Oil Corporation Home Services Drilling Operations Cementing Operations Openhole Logging Logging & Perforating Pulling & Workover Fabrication & Welding Lease Crews Earth Work Contract Operating Contact Us Cased Hole Logging Texas Secondary runs a Gama Ray (GR) and Collar Locator (CCL) correlation log and can perforate with a variety of shots selected for optimum performance in any well situation. In addition, several types of bridge plugs can be set by wireline. Temperature survey logs are available to determine fluid entry points and locate cement tops. Digital fluid levels can be taken in open casing, tubing and annulus of producing wells. Analog fluid levels can be taken on open holes with the determination of fluid type and ratio between oil and water. Copyright 2010 Texas Secondary Oil Corporation. All rights reserved. Web Hosting by Yahoo! Texas Secondary Oil Corporation Devine, TX 78016 ph: 281 375 8757 alt: 713 824 7089 burch@texassecondary.com