Affiliates of the Houston Geological Society

American Association of Petroleum Geologists

The Houston Geological Society has a long-standing affiliation with AAPG (American Association of Petroleum Geologists).  AAPG was formed in 1917, and HGS was formed in 1923 to host the first AAPG convention.  The AAPG website is at HGS recently hosted the 100th  Anniversary AAPG Annual Meeting at the George R. Brown Convention Center in April 2017. HGS acts as the host society for the AAPG annual convention and exhibition when Houston is the convention city.  As host society, the HGS organizes volunteer committees to run the AAPG Technical Program selection of papers and posters, field trips and short courses for the Houston conventions.

The Houston Geological Society is financially and organizationally separate from AAPG; running its own programs and electing its own officers. Many HGS Past Presidents and Board members have also successfully been elected to top AAPG offices including AAPG President, AAPG Division Presidents, and AAPG Sections President.



GCAGS- The HGS is a member society of the AAPG Gulf Coast Section.  The Gulf Coast section is formally named the “GCAGS” which stands for Gulf Coast Association of Geological Societies which includes South Texas Geological Society, New Orleans Geological Society, Austin Geological Society, Corpus Christi Geological Society and others.  The GCAGS website is


Local Sister Societies

HGS maintains close links with some “sister societies” in the Houston area. Member dues are separate for each society, but these societies cross-post activities on their bulletins and websites.


Geophysical Society of Houston

The Geophysical Society of Houston was formed in 1947 to promote the science and profession of geophysics, and to foster fellowship and cooperation among all persons interested in geophysics.




Society of Independent Professional Earth Scientists - Houston Chapter

SIPES is a national organization founded in Houston in 1963 for independents, small business owners or consulting earth scientists. Its members are involved in oil, gas and other natural resources and include geologists, engineers, geophysicists, geochemists, paleontologists, petrophysicists and other earth scientists and associated parties. Each member of SIPES is certified as a Professional Earth Scientist. This process provides a service by helping to insure the highest competence and professional business ethics for its members in the scientific community.



North American Prospect Expo

HGS supports the NAPE Spring (February)  and  Summer  (August) Prospect Expos each year with advertising and staffing a  booth to attract new members.