To deal with exploitation difficulties of North-East Sichuan gas field of the marine strata, after researching extensively, summarizing and promoting the successful experience and failure lesson of project construction technology application scientifically, the SINOPEC Group established an integrated suit of technical company standards system for ultra deep and high acid gas field. The system includes 51 standards, containing geophysical prospecting, drilling, logging, well logging, gas well test and collection, acid gas gathering and transportation system, and HSE (health, safety, environment). It strengthening regulated the project design, recommended the data treatment and explanation method, definituded the required operation and field calibration, standardized the use of technical equipment, effectively guided and supported the construction of safety, quality and efficiency.