Onshore Drilling Rigs

Past engineering design of onshore drilling rigs includes:


•design of a substructure for an API 4F certified fast moving land drilling rig with a 550 kip hook load and rotary load capacity

•design of a mast for an API 4F certified fast moving land drilling rig with 500 kip hook load capacity

•design of a substructure and mast for an API 4F certified fast moving land drilling with a 750 kip hook load and rotary load capacity

•design of multiple API 4F land rig substructures

•third party review of existing API 4F land rig designs

•setback capacity upgrades in accordance with API 4F 


TM Engineering, PLLC also performs API 4G Category III and IV inspection services for masts and substructures throughout the world.      


Other engineering design for onshore drilling rigs from TM Engineering, PLLC includes:


•design of rig moving structures for desert based rigs

•mudtanks and mud systems for land rigs

•BOP trolleys

•skids for backyard equipment of land rigs

•moving systems for various catwalks


TM Engineering, PLLC also works in the field, with various field repairs done in accordance with API 4G for operating masts and substructures that need a quick, proven solution to return the rig back to operations as quickly as possible.  Field repairs include:     


•mast field repairs located in Louisiana, Texas, Oklahoma, New Mexico, and parts of Mexico

•substructure field repairs located in Louisiana, Texas, Oklahoma, New Mexico, and parts of Mexico