this issue caused a danesh banian khuzestani company to design and manufacture a device called hips to control the pressure of oil wells and tanks. the main task of the line protection equipment is to prevent any increase or decrease in pressure in the line, to prevent the so-called oil eruption, and to close the line in a very short time, within less than 3 seconds, which is seconds in the case of our equipment, and from the equipment, so-called protect, equip. which before that was supplied piece by piece from foreign countries, we used the world's standards to design these components one by one, which in fact is the whole system it has high sensitivity because we need this system whenever we want to use it. in fact, it can fully meet our needs . the pressure protection device with a high integrity is a safety device during oil exploitation. it is considered and the result of its performance prevents environmental hazards. this equipment of 100 was completely localized by our own youth. we started working with tui or tof in germany , and this company was actually our evaluator in thi