BOP Annulars

The best annular in the business.

Available in sizes ranging from 7” to 18”, handling pressures from 3k to 15K.

Our models include:


Hydril’s most advanced Annular BOP for onshore applications. Available in 13 5/8” (5K), 13 5/8” (10K) and 18 ¾” (10K).


Widely used for more than 30 years, the Hydril GK Annular BOP is an excelent option for onshore applications. Available from 7″ to 13 5/8”.


We also continue legacy support of previous models covering a variety of bore sizes and pressure ratings. Contact your sales support team to find out more.

Please contact us at if you have any questions.