1200419600, 1200437627, DQ027 Series Drilling Rig and Well Control System Spare Parts

Product Overview

This complete range of industrial-grade oilfield spare parts covers core models including 1200419600 rubber gaskets, 1200437627 4.5-inch dies, 1300127668 valve assemblies and full-spec DQ027 series mechanical accessories, specially engineered for NC38 and NC50 standard drilling connection systems, land-based drilling rigs and balance cylinder well control equipment. Tailored to the core demands of oilfield maintenance teams, engineering contractors and equipment procurement departments, these components solve recurring on-site pain points such as hydraulic pipeline leakage, die positioning deviation, torque overload damage, hose abrasion and unstable hydraulic pressure output under sustained heavy loads. All products comply with API 6A and API 7K international oilfield manufacturing specifications, with third-party bench testing verifying that core structural parts maintain 0.02mm consistent fitting tolerance after 9000 hours of continuous cyclic operation. This product set serves as a unified technical troubleshooting guide and standardized procurement reference for daily overhaul, vulnerable part replacement and sudden fault repair in conventional oil and gas drilling operations.

Product Introduction

The product lineup integrates die clamping components, hydraulic control parts, structural support assemblies, sealing accessories, pipeline connection fittings and monitoring sensors, covering all core vulnerable components of drilling rig deflection mechanisms, balance cylinder systems and hydraulic power units. Key products include 4.5-inch and 5.5-inch wellhead dies, torque elimination intermediate beams, double pipe clamps, teflon packing seals, throttling valve modules and pressure monitoring sensors. Every component adopts hot-forged integral molding and precision CNC finishing, with raw materials strictly screened for low-temperature resistance, abrasion resistance and pressure resistance. All finished parts undergo strict hydraulic pressure holding tests and structural load tests to meet the rigorous stability requirements of long-cycle field drilling operations.

Functional Description

Each component undertakes targeted functional roles in drilling mechanical and hydraulic systems. Series 4.5-inch and 5.5-inch dies and die supports achieve precise clamping and positioning of wellhead pipelines, eliminating pipeline shaking and displacement during high-pressure drilling. Torque-resisting intermediate beams and left and right supports offset torsional stress generated by equipment operation, protecting main structural frames from fatigue deformation. Crimp pipe fittings, rubber gaskets and teflon sealing packing form multi-level sealing protection to prevent hydraulic fluid leakage and external impurity infiltration. Throttling valves and integrated valve blocks regulate hydraulic flow and pressure stability, while pressure sensors provide real-time data feedback for operational safety control. Hose protective sleeves and structural shields reduce mechanical abrasion and environmental erosion for extended component service life.

Structural Characteristics

Optimized exclusively for oilfield high-vibration and high-load working environments, all parts feature reinforced structural design. Integrally forged support and hanger brackets improve overall structural rigidity without increasing equipment dead load. Double clamp structures deliver uniform pipeline clamping force, avoiding local stress concentration and pipeline damage. Special lip sealing structures and black teflon packing adapt to frequent temperature changes and hydraulic impact, maintaining stable sealing performance. Modular valve block and movable pulley block structures support fast disassembly and single-part replacement, greatly reducing on-site maintenance downtime. Standardized NC38 and NC50 protective connection structures ensure full compatibility with mainstream international drilling tool matching standards.

Applicable Working Conditions

This series of spare parts adapts to onshore oil and gas drilling, workover and well control construction scenarios, stably operating under working pressure up to 35MPa and ambient temperatures ranging from -40℃ to 60℃. It is fully compatible with conventional medium and large drilling rigs equipped with NC38 and NC50 drill string systems, balance cylinder lifting mechanisms and hydraulic control units. The products can maintain stable mechanical performance in high-dust, humid and saline-alkali field environments, suitable for long-term uninterrupted cyclic operation and frequent equipment start-stop working modes.

Maintenance Guidelines and Engineer Practical Advice

Professional field engineers recommend inspecting all sealing gaskets, pipe crimp fittings and valve block components every 200 hours of continuous operation. Replace aged teflon packing and deformed rubber gaskets promptly to avoid slow leakage causing hydraulic system pressure loss. Clean internal oil passages of throttling valves regularly to prevent particle blockage affecting flow regulation accuracy. Never use mismatched standard bolts and gaskets for forced assembly, as tolerance errors will lead to structural jamming and equipment vibration. Field verified data proves that standardized cyclic maintenance can extend the average service life of core hydraulic and sealing components by 8200 working hours.

We supply the following spare parts:

1200419600 Резиновая прокладка

1200437627 Плашка 4,5″

1200437889 Губовидсальниковое применение

1200440544 Плашка 5,5″

1200521813 Корпус маслобака

1200525392 Упор плашки 4,5″

1200528096 Двойной хомут

1200529122 Суппорт

1200529708 Табличка

1200567725 Промежуточная балка для исключения крутящего момента

1200568181 Левый суппорт

1200592701 Правый шатун

1200595725 Маслосборник

1300003024 Защитный колпак БРС

1300004707 Трубный обжимной фитинг

1300005653 Винт с цилиндрической головкой и шестигранным углублением

1300006620 Болт

1300007393 Болт

1300016245 Болт штропа, тип B

1300016503 Трубный обжимной фитинг

1300016549 Черная тефлоновая сальниковая набивка

1300024581 Пробка

1300024607 Винт

1300027365 Трубный обжимной фитинг

1300041667 Защитный чехол шланга

1300098657 Защитный чехол шланга

1300101792 Стопорная прокладка

1300102728 Стопорная прокладка

1300126715 Дросселированный клапан

1300127668 Клапанный блок

1300127700 Масляное использование

1400028001 Датчик давления

DQ018.08.07.01Ⅱ Переходная соединительная планка

DQ019.02.01 NC38 Защитное соединение

DQ019.02.02 NC50 Защитное соединение

DQ020.12.06 Ушко

DQ026.01.07.00 Плашка 4 1/2″

DQ027.01.22Ⅱ Резиновая планка торцевой крышки

DQ027.03.00Ⅱ Механизм отклонения штропов

DQ027.05.03.00 Ушко балансировочного цилиндра

DQ027.05.04 Упор

DQ027.09.00Ⅱ Подвижный блок шкива

DQ027.12.19 Регулирующая прокладка

DQ027.14.00Ⅱ Кожух

DQ027.14.08.00Ⅱ Правый суппорт

DQ027.15.02.00 Закрепительный кронштейн вспомогательных сосудов

DQ027.15.03.00Ⅱ Ушко для крепления кабеля

DQ027.15.04.00Ⅱ LS2 Подвесная планка в сборе

DQ027.23.02.02.00Ⅱ Промежуточная планка с двумя ушками

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On-Site Maintenance Case Studies

Case 1: Changqing Oilfield, ZJ50 Drilling Rig, 32MPa working load. Worn 1200437627 4.5-inch die caused wellhead positioning deviation. After replacement with original matching dies, equipment clamping accuracy recovered completely, with positioning error controlled within 0.02mm, maintaining stable operation for 1300 consecutive working hours. The on-site team reported eliminated pipeline vibration and improved drilling stability.

Case 2: Tarim Oilfield, XJ550 Workover Rig, 28MPa conventional load. Aging 1200419600 rubber gasket led to hydraulic oil leakage. After gasket replacement, the hydraulic system achieved zero pressure drop in 10-hour static pressure testing, solving long-term slow leakage issues and stabilizing system power output.

Case 3: Shengli Oilfield, NC50 Drilling String System, 30MPa working pressure. Blocked 1300126715 throttling valve caused unbalanced hydraulic flow. After valve cleaning and calibration, hydraulic flow regulation accuracy returned to standard range, ensuring synchronous operation of balance cylinder and lifting mechanism.

Case 4: Daqing Oilfield, Well Control Auxiliary Equipment, 25MPa load. Damaged hose protective sleeve caused pipeline abrasion. After installing 1300041667 protective sleeves, hydraulic pipeline wear was completely avoided, achieving zero pipeline damage after 8 months of continuous field operation.

Frequently Asked Questions

Procurement Reference and Product Value Explanation

This series of 1200419600, 1200437627 and DQ027 series oilfield spare parts strictly implement API 6A and API 7K industry certification standards, with complete dimensional inspection reports and performance test data to support engineering verification. All products are professionally produced for oilfield drilling and well control equipment, effectively solving common on-site faults including positioning deviation, sealing failure, pipeline abrasion and hydraulic pressure instability. With exclusive long-cycle operation test data and practical engineer maintenance experience, the products provide reliable technical fault-solving standards and standardized procurement basis for global oilfield engineering projects. We supply full-series matched drilling rig vulnerable parts covering sealing, clamping, hydraulic control and structural support systems. Industry procurement and maintenance teams can select accurate models according to equipment parameters and working condition demands to optimize equipment operational stability and reduce overall field maintenance costs.