While underbalance drilling spreads greatly, rotating blowout preventer, as a kind of high technical product, is the crucial equipment to control well pressure.

国内欠平衡钻普遍实施,要用到的旋转防喷器是关键设备,技术含量高。

Biolithite loss zone is a kind of special reservoirs where rock structure is frailish and lot of pore spaces and gas exist, while severe circulation loss and well blowout and well kick occur.

礁灰岩漏地是一类结构脆弱,并含有大量孔洞和气体的特殊地,是严重漏与天然气的喷涌并存。

The purpose of the bulkhead is threefold: to seal the forward end of the motor, to retain the pyrogen igniter, and to act as a blowout plug in case of motor overpressurization (discussed earlier).

的目的，该舱壁是三个方面：密封着年底汽车，保留热原点火器，并充当喷堵塞在案件电机overpressurization （讨论以较早者为准） 。

While underbalance drilling spreads greatly, rotating blowout preventer, as a kind of high technical product, is the crucial equipment to control well pressure.

国内欠平衡钻普遍实施,要用到的旋转防喷器是关键设备,技术含量高。

Biolithite loss zone is a kind of special reservoirs where rock structure is frailish and lot of pore spaces and gas exist, while severe circulation loss and well blowout and well kick occur.

礁灰岩漏失地层是构脆弱,并含有大量孔洞和气体的特殊地层,常常是严重漏与天然气的喷涌并存。

The purpose of the bulkhead is threefold: to seal the forward end of the motor, to retain the pyrogen igniter, and to act as a blowout plug in case of motor overpressurization (discussed earlier).

的目的，该舱壁是三个方面：密封着年底汽车，保留热原点火器，并充当喷堵塞在案件电机overpressurization （讨论以较早者为准） 。

While underbalance drilling spreads greatly, rotating blowout preventer, as a kind of high technical product, is the crucial equipment to control well pressure.

国内欠平衡钻普遍实施,要用到的旋转防喷器是关键设备,技术含量高。

Biolithite loss zone is a kind of special reservoirs where rock structure is frailish and lot of pore spaces and gas exist, while severe circulation loss and well blowout and well kick occur.

礁灰岩漏失地层是一类结构脆弱,并含有大量孔洞和气体的特殊地层,常常是严重漏与天然气的喷涌并存。

The purpose of the bulkhead is threefold: to seal the forward end of the motor, to retain the pyrogen igniter, and to act as a blowout plug in case of motor overpressurization (discussed earlier).

的目的，该舱壁是三个方面：密封着年底汽车，原点火器，并充当喷堵塞在案件电机overpressurization （讨论以较早者为准） 。

While underbalance drilling spreads greatly, rotating blowout preventer, as a kind of high technical product, is the crucial equipment to control well pressure.

国内欠平衡钻普遍实施,要用到的旋转防喷器是关键设备,技术含量高。

Biolithite loss zone is a kind of special reservoirs where rock structure is frailish and lot of pore spaces and gas exist, while severe circulation loss and well blowout and well kick occur.

礁灰岩漏失地层是一脆弱,并含有大量孔洞和气体的特殊地层,常常是严重漏与天然气的喷涌并存。

The purpose of the bulkhead is threefold: to seal the forward end of the motor, to retain the pyrogen igniter, and to act as a blowout plug in case of motor overpressurization (discussed earlier).

的目的，该舱壁是三个方面：密封着年底汽车，保留热原点火器，并充当喷堵塞在案件电机overpressurization （讨论以较早者为准） 。

While underbalance drilling spreads greatly, rotating blowout preventer, as a kind of high technical product, is the crucial equipment to control well pressure.

国内欠平衡钻普遍实施,要用到的旋转防喷是关键,术含量高。

Biolithite loss zone is a kind of special reservoirs where rock structure is frailish and lot of pore spaces and gas exist, while severe circulation loss and well blowout and well kick occur.

礁灰岩漏失地层是一类结构脆弱,并含有大量孔洞和气体的特殊地层,常常是严重漏与天然气的喷涌并存。

The purpose of the bulkhead is threefold: to seal the forward end of the motor, to retain the pyrogen igniter, and to act as a blowout plug in case of motor overpressurization (discussed earlier).

的目的，该舱壁是三个方面：密封着年底汽车，保留热原点，并充当喷堵塞在案件电机overpressurization （讨论以较早者为准） 。

While underbalance drilling spreads greatly, rotating blowout preventer, as a kind of high technical product, is the crucial equipment to control well pressure.

国内欠平衡钻普遍实施,要用到的旋转防喷器是关键设备,技术含量高。

Biolithite loss zone is a kind of special reservoirs where rock structure is frailish and lot of pore spaces and gas exist, while severe circulation loss and well blowout and well kick occur.

礁灰地层是一类结构脆弱,并含有大量孔洞和气体的特殊地层,常常是严重与天然气的喷涌并存。

The purpose of the bulkhead is threefold: to seal the forward end of the motor, to retain the pyrogen igniter, and to act as a blowout plug in case of motor overpressurization (discussed earlier).

的目的，该舱壁是三个方面：密封着年底汽车，保留热原点火器，并充当喷堵塞在案件电机overpressurization （讨论以较早者为准） 。

While underbalance drilling spreads greatly, rotating blowout preventer, as a kind of high technical product, is the crucial equipment to control well pressure.

国内欠平衡钻普遍实施,要用到的旋转防喷器是关键设备,技术含量高。

Biolithite loss zone is a kind of special reservoirs where rock structure is frailish and lot of pore spaces and gas exist, while severe circulation loss and well blowout and well kick occur.

漏失地层是一类结构脆弱,并含有大量孔洞和气体的特殊地层,常常是严重漏与天然气的喷涌并存。

The purpose of the bulkhead is threefold: to seal the forward end of the motor, to retain the pyrogen igniter, and to act as a blowout plug in case of motor overpressurization (discussed earlier).

的目的，该舱壁是三个方面：密封着年底汽车，保留热原点火器，并充当喷堵塞在案件电机overpressurization （讨论以较早者为准） 。

While underbalance drilling spreads greatly, rotating blowout preventer, as a kind of high technical product, is the crucial equipment to control well pressure.

平衡钻普遍实,到的旋转防喷器是关键设备,技术含量高。

Biolithite loss zone is a kind of special reservoirs where rock structure is frailish and lot of pore spaces and gas exist, while severe circulation loss and well blowout and well kick occur.

礁灰岩漏失地层是一类结构脆弱,并含有大量孔洞和气体的特殊地层,常常是严重漏与天然气的喷涌并存。

The purpose of the bulkhead is threefold: to seal the forward end of the motor, to retain the pyrogen igniter, and to act as a blowout plug in case of motor overpressurization (discussed earlier).

的目的，该舱壁是三个方面：密封着年底汽车，保留热原点火器，并充当喷堵塞在案件电机overpressurization （讨论以较早者为准） 。

While underbalance drilling spreads greatly, rotating blowout preventer, as a kind of high technical product, is the crucial equipment to control well pressure.

国内欠平衡钻普遍实施,要用到的旋转防是关键设备,技术含量高。

Biolithite loss zone is a kind of special reservoirs where rock structure is frailish and lot of pore spaces and gas exist, while severe circulation loss and well blowout and well kick occur.

礁灰岩漏失地层是一类结构脆弱,并含有大量孔洞和气体的特殊地层,常常是严重漏与天然气的涌并存。

The purpose of the bulkhead is threefold: to seal the forward end of the motor, to retain the pyrogen igniter, and to act as a blowout plug in case of motor overpressurization (discussed earlier).

的目的，该舱壁是三个方面：密封着年底汽车，保留热原，并充当堵塞在案件电机overpressurization （讨论以较早者为准） 。

While underbalance drilling spreads greatly, rotating blowout preventer, as a kind of high technical product, is the crucial equipment to control well pressure.

国内欠平衡钻普遍实施,要用转防喷器是关键设备,技术含量高。

Biolithite loss zone is a kind of special reservoirs where rock structure is frailish and lot of pore spaces and gas exist, while severe circulation loss and well blowout and well kick occur.

礁灰岩漏失地层是一类结构脆弱,并含有大量孔洞和气体特殊地层,常常是严重漏与天然气喷涌并存。

The purpose of the bulkhead is threefold: to seal the forward end of the motor, to retain the pyrogen igniter, and to act as a blowout plug in case of motor overpressurization (discussed earlier).

目，该舱壁是三个方面：密封着年底汽车，保留热原点火器，并充当喷堵塞在案件电机overpressurization （讨论以较早者为准） 。