1200437624, 1200527994, DQ020 Series Oilfield Drilling Equipment Spare Parts

Overview

This full set of oilfield drilling and well control spare parts covers core models including 1200437624 3.5″ plate, 1200527994 assembled control valve block and DQ020/DQ026/DQ027 series customized accessories, professionally adapted to conventional land drilling rigs and well control preventer systems. Targeting the core demands of oilfield engineering teams for equipment stability, long service life and convenient on-site maintenance, these parts solve common industry pain points such as component wear, sealing failure, structural looseness and hydraulic control inaccuracy under high-load drilling conditions. All products comply with API 6A international oilfield equipment manufacturing standards, with exclusive factory test data verifying that the overall matching accuracy reaches 0.02mm tolerance, effectively reducing equipment failure probability in continuous operation. As standardized and customized supporting parts for drilling rig auxiliary systems, these components cover sealing, fastening, hydraulic control, guiding and protection functions, providing reliable technical and procurement reference for global oilfield construction, equipment overhaul and daily maintenance work.

Core Product Introduction

The product lineup includes standard fasteners, hydraulic control components, structural protection parts and customized die-cast accessories, covering all vulnerable and consumable parts of drilling rig balance cylinder, preventer, guide section and motor protection systems. Key mainstream models involve 3.5″/5.5″ plate supports, assembled control valve blocks, rainproof motor housings, stop rings, balance cylinder lifting lugs and repair manhole covers. All parts adopt integrated forging and precision machining technology, with unified dimensional calibration and material screening, realizing full compatibility with matching drilling equipment. Different from ordinary civilian mechanical parts, all oilfield-specific accessories undergo strict low-temperature and high-pressure resistance testing, adapting to extreme working conditions unique to oil and gas exploitation.

Functional Description

Each component undertakes independent core functions in the drilling equipment operation system. The assembled control valve block realizes precise switching and pressure regulation of equipment hydraulic circuits, ensuring stable power output of balance cylinders and lifting structures. The positioning guide parts and fastening plates fix the overall equipment structure to avoid displacement and vibration deviation during high-load operation. Sealing rings, gaskets and rubber shields isolate dust, rainwater and mud impurities, protecting internal motor and hydraulic components from corrosion. Fastening components such as bolts, studs and lock washers maintain structural fastening stability for long-term continuous operation. Special clamping tools and gooseneck assemblies assist in on-site equipment disassembly, assembly and overhaul, greatly improving construction efficiency.

Structural Characteristics

All parts adopt optimized industrial structural design based on on-site drilling operation mechanics. The integrated assembly structure of valve blocks and guide covers reduces on-site assembly gaps and avoids hydraulic leakage caused by loose assembly. The reinforced lifting lug and support plate structure improves structural bearing capacity without increasing equipment self-weight. The anti-loosening structure of fasteners matches elastic washers and cotter pins to achieve double anti-loosening protection. The split guide section design facilitates segmented replacement and maintenance, avoiding overall equipment disassembly. The special lip-shaped sealing structure and rubber buffer structure enhance fitting tightness and shock resistance, adapting to frequent mechanical vibration in drilling operations.

Applicable Working Conditions

This series of parts is suitable for onshore oil and gas drilling, well completion, workover and well control operation scenarios, adapting to ambient temperatures ranging from -40℃ to 55℃. It stably operates under medium and high load working conditions with working pressure up to 35MPa, applicable to conventional vertical drilling and directional drilling projects. The parts can work continuously in high-dust, muddy and humid field environments, and are widely matched with conventional medium and large drilling rig supporting systems and preventer auxiliary equipment.

Maintenance Tips & Engineer Practical Reminders

For daily equipment maintenance, operators need to inspect sealing components and fastening parts every 200 hours of continuous operation, and replace aging rubber seals and deformed gaskets in a timely manner. The hydraulic valve block and oil return filter need regular oil circuit cleaning to avoid impurity blockage affecting pressure regulation accuracy. Engineers remind that non-specified model parts are prohibited from forced replacement, as mismatched tolerance will cause hydraulic system failure and structural vibration deviation. After equipment overload operation, check the deformation of lifting lugs and support plates to eliminate potential safety hazards. Professional testing data shows that standardized maintenance can extend the overall service life of matching parts by 8000 working hours.

We supply the following spare parts:

1200437624 Плашка 3.5″

1200437882 Регулирующая прокладка

1200521808 Кожух от дождя электродвигателя

1200527956 Кольцо стопорное

1200527994 Блок управляющих клапанов в сборе

1200528207 Ушко балансировочного цилиндра

1200529713 6 5/8 FH Защитный соединитель

1200567634 Крепежная планка I

1200567651 Шпилька

1200567712 Соединительный датчик между секциями (с упорными желобами)

1200567927 Захват

1200567934 Гузнек в сборе

1200568032 Кронштейн переносной в сборе

1200568048 Ручка выключения

1200568062 Направляющая крышка в сборе

1200586082 Направляющая секция Ⅰ

1300001142 Пружинная шайба

1300004915 Шплинт

1300005867 Гайка

1300006182 Болт

1300006202 Болт

1300010526 Шплинт

1300016785 Шариковый подшипник с раскрывающимся желобом

1300022512 Трубный обжимной фитинг

1300022734 Трубный обжимной фитинг

1300024452 Трубный обжимной фитинг

1300095971 шайба

1300097987 Двухзаходный прессованный канатный

1300112012 Болт

1300115468 Направляющее кольцо

1300126401 Фильтр обратного масла

2600036951 Планка с ушком

DQ020.12.27 Крышка люка ремонтная

DQ020.13.03 Опорная плита

DQ026.01.08.01 Упор плашки 5,5″

DQ026.01.09.02 Сухарь 3,5″

DQ027.01.05.00 Хомут превентора

DQ027.05.07 Шайба

DQ027.05.08Ⅱ Подъемное ушко балансировочного цилиндра

DQ027.11.05 Прокладочное кольцо

DQ027.11.07 Вал

DQ027.12.08 Резиновый зонт

DQ027.12.15Ⅲ Несущая гайка

DQ027.12.35Ⅲ Губовидное сальниковое использование

DQ027.13.01 Державка

DQ027.21.01.03Ⅱ Палец

DQ027.21.02.00Ⅱ Подъемная рама

DQ027.23.03.02.00Ⅱ Крепежная планка I

DQ027.23.03.05Ⅱ Шпилька M24×550

SPEEDI-SLEEVE Втулка

On-Site Fault Maintenance Cases

Case 1: Liaohe Oilfield, ZJ40 Drilling Rig, 28MPa working load. The 1200527994 control valve block suffered pressure regulation failure, causing unbalanced cylinder lifting. After replacing the original matching valve block assembly, the hydraulic pressure control error was controlled within 0.5MPa, and the equipment operated stably for 1200 consecutive hours without secondary failure. The customer reported obvious improvement in equipment operation stability.

Case 2: Daqing Oilfield, ZJ30 Workover Rig, 22MPa conventional load. Serious rain erosion occurred in the motor due to damaged 1200521808 motor rain cover. After replacing the special rain cover, the motor internal insulation performance remained stable, and the equipment achieved zero electrical failure in 8 months of field operation.

Case 3: Tarim Oilfield, XJ550 Drilling Equipment, 32MPa high load. Loose structural vibration occurred due to aging DQ027.11.07 shaft and fastening studs. After replacing matching shaft parts and M24×550 studs, the equipment structural vibration amplitude was reduced by 0.3mm, meeting national drilling equipment operation standards.

Case 4: Shengli Oilfield, Preventer Supporting System, 30MPa working pressure. DQ026.01.09.02 3.5″ slider wear caused equipment jamming. After replacing the customized slider accessories, the equipment opening and closing operation was smooth, and the on-site construction efficiency increased significantly.

Frequently Asked Questions (FAQ)

Procurement Guidance & Product Value Explanation

This series of oilfield drilling spare parts strictly implements API 6A international manufacturing and testing standards, with complete dimensional calibration and performance test reports, meeting the quality requirements of mainstream oilfield engineering projects worldwide. With independent precision processing technology and exclusive on-site operation data verification, the products solve multiple core pain points such as easy wear, poor sealing and low matching accuracy of traditional accessories. We provide standardized and customized one-stop spare parts matching services, covering full-series supporting parts for drilling rig and well control equipment. All products are manufactured with high-quality raw materials and fine processing, with stable performance and strong environmental adaptability. Engineering procurement teams and on-site maintenance teams can select matching models according to equipment models and on-site working condition demands, obtaining high-reliability spare parts that meet industrial operation standards, and effectively reducing equipment failure rate and later maintenance costs.