This paper was prepared for the 1972 Deep Drilling Symposium of the Society of petroleum Engineers of AIME to be held in Amarillo, Tex., Sept. 11–12, 1972. Permission to copy is restricted to an abstract of not more than 300 words. Illustrations may not be copied. The abstract should contain conspicuous acknowledgment of where and by whom the paper is presented. Publication elsewhere after publication in the JOURNAL paper is presented. Publication elsewhere after publication in the JOURNAL OF PETROLEUM TECHNOLOGY or the SOCIETY OF PETROLEUM ENGINEERS JOURNAL is usually granted upon requested to the Editor of the appropriate journal, provided agreement to give proper credit is made. provided agreement to give proper credit is made. Discussion of this paper is invited. Three copies of any discussion should be sent to the Society of Petroleum Engineers Office. Such discussions may be presented at the above meeting and, with the paper, may be considered for publication in one of the two SPE magazines.
A typical casing program for the latest wells drilled in the Washita Creek Field would be 20", 13 3/8" 9 5/8", 7" liner, and a tapered 7" × 4 1/2" production string.
An earlier casing program for the Washita Creek wells was 2411, 1611, 11 3/4", 9 5/8", 7" liner and a 7" tie-back production string. production string. For the latest program, included is a description of each casing job, the equipment used, and the method used to run and cement each string.
Some of the troubles which were encountered and the remedies that were effective are described.
This paper is based on Phillips Petroleum Company's experience in the Petroleum Company's experience in the Gageby Creek and Washita Creek fields in the Texas Panhandle. As the Washita Creek wells were the latest drilled and the deepest, the data given will be from this field.
A typical well for the area was drilled and cased with the following program: program: Hole Casing Casing Size Depth Size (In.) (Ft.) (In.) Remarks
24 400 20 Conductor. Cement to surface to protectfresh water sands.
17 1/2 4,200 13 3/8 Surface. Set on or in top of Brown Dolomite. Case off unconsolidated formations prior to drilling loss circulation sections.
12 1/4 13,900 9 5/8 Intermediate. Set in top of Morrow Shale. Case off low pressure formations before drilling the high pressure Morrow.