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"The API offers publications regarding standards, recommended practices and other industry related materials. API has developed some 550 equipment and operating standards used around the world."
"The IADC is a trade association that represents drilling contractors, producers and associates and promotes commitment to safety, preservation of the environment and advances in drilling technology. The IADC offers publications regarding recommended industry practices and other training materials."
"The OGP is a worldwide association of oil and gas companies involved in exploration and production. The OGP's purpose is to provide information to interested bodies on the oil and gas exploration and production industry, to represent their members' interests at global and regional regulatory bodies and to develop operating guidelines."