When coming out of the hole with the drill pipe, drilling fluid shall be circulated until equalized, and a fill-up line shall be turned into the casing to insure a full load of fluid on the bottom of the hole at all times.
16 Tex. Admin. Code § 3.18
When coming out of the hole with the drill pipe, drilling fluid shall be circulated until equalized, and a fill-up line shall be turned into the casing to insure a full load of fluid on the bottom of the hole at all times.
16 Tex. Admin. Code § 3.18