Exhibit A-Drawing of Cement Head Apparatus Sold by Nodeco (undated but admitted to be prior art). |
Exhibit B-Oil & Gas Journal, May 14, 1984, pp. 72-74, article entitled "Slant Holes Cap Shallow Gas Under Lake". |
Exhibit C-Copy of Cover and p. 2423, of Halliburton Services Sales & Service Catalog No. 43, published 1985. |
Exhibit D-Advertising Brochure Dated 7-15-81, of Halliburtoon Company. |
Exhibit E-Two Drawings of a Cementing Head Apparatus (undated but admitted to be prior art). |
Exhibit F-Advertising Brochure for a Roto-Tek Cementing System (undated but admitted to be prior art). |
Exhibit G-Advertisement for a Cementing Manifold Sold by Lindsey Completion Systems (undated but admitted to be prior art). |