Prepared by: Manuel Cardozo

Bolletin Board Company: Bohai Drilling Service Venezuela, C.A. RIF: J-30612186-2

Approved by: Date: July 05, 2012

API RP 31A: Standard Form for Hardcopy Presentation of Log Publication Date: Aug 1, 1997 Source: API: American Petroleum Institute WebSite: http://engineers.ihs.com/document/abstract/KKVMCAAAAAAAAAAA The recommendations contained within API Recommended Practice 31A provide some flexibility regarding the dimensions of the actual print field used in the hardcopy presentation of well log data. This flexibility will accommodate the use of commonly available printers and paper sizes as optional alternatives to the 6.25 in (15.9 cm) by 9.25 in (21.5 cm) fanfold paper on which log data has been traditionally printed. Example figures conforming to this document and printed at the dimensions required for 8.5-inch by 11-inch paper are provided. The changes made to accommodate this flexibility in paper and printer selection will in no way alter the actual scaling of the log data. Log data curves will precisely "overlay," regardless of the choice of paper or print field dimensions. Any hardcopy presentation of log data that meets all of the information content and format specifications described in the text of this document shall be considered to be in conformance with it. After review, the Universal Recorder Supply Catalog accomplishing with our client requirement: Cross-perf., 6.25 inches fold spacing API format. The following provider were found

Gulton-Atlantek (Original Enterprice Manufacturer): The ST-261 plotters represents the traditional combination of performance, durability and proven reliability at an unbeatable price. Century Geophysical Corp: Which provide de devices in the table below.

Item Part Number

Printrex 820 DLG Desktop Printer 800-0820 Printrex 840 DLG Desktop Printer 800-0840 Paper, Thermal Fan Fold, Box 786-7138

Printrex( OEM): Desk Top Chassis models 840 DL/G, 820 DL/G, 820G and 810.

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