Department "Machinery and equipment for oil and gas fields"

Course project

"Calculation of the main parameters of the mud pump of class 8"

Completed:

Student IV-NTF-10

V.V. Kvetkin

Checked:

Papirovsky V.L.

Samara State Technical University

Department "Machinery and equipment of oil and gas fields" 1

4. Choice of well design and drill string assembly 15

5. Calculation of the weight of the drill string when drilling the target depth and the heaviest casing 17

6. Justification for the choice of the drilling rig class 18

7. Calculation of basic parameters and selection of mud pump 19

b) when the piston moves to the shaft 26

List of sources used 31

1. Task

2. Introduction

Our country has huge reserves of oil and gas, key components of the fuel and energy complex. According to preliminary data alone, about 1/3 of the world's explored reserves of natural gas are concentrated in Russia, the potential reserves of which are estimated at 160 trillion. m3, has quite large proven oil reserves (about 8% of the world's total - the sixth place in the world).

All these reserves are underground and must be extracted. To extract these resources, drilling rigs are used, consisting of various drilling equipment. The complex includes structures, machines, and other auxiliary equipment mounted at the drilling point and providing independent performance of technological operations.

But the situation is getting more complicated every year. There are fewer and fewer light deposits. There are more and more hard-to-reach fields, which are already located at depths of more than 3000 m. Therefore, it is necessary to develop and modernize drilling equipment, and automate drilling operations. Thanks to this, we will be able to maintain the current production level and possibly increase it.

3. Analysis and technical characteristics of existing designs of mud pumps.

1.1. Purpose, applicability of mud pumps.

The mud pump is designed for pumping drilling fluid under high pressure into a well during exploration, production and deep exploration drilling.

The mud pump delivers flushing fluid through the string of drill pipes to the bottom of the wells to cool the bit and remove the rock destroyed by the bit, as well as to transfer the energy of the flushing fluid flow to the hydraulic downhole motor and the associated bit.

Mud pumps operate under very harsh conditions. They pump viscous solutions, usually prepared on the basis of clay-water mixtures and weighted with barite or hematite additives. The solutions contain up to 2% abrasive particles of cuttings and are pumped by pumps at a temperature of 40-70 ° C. In addition, they often contain chemical reagents: lime, caustic soda, acids, salts and other substances.

It has been established by many years of practice in deep well drilling that only a horizontal piston pump meets the requirements of drilling technology. In practice, when drilling exploration, production and deep wells, piston pumps with a driving power of 32, 50, 80, 125, 190, 235, 300, 375, 475, 600, 750, 950, 1180 and 1840 kW are used (GOST 6031-81) with a maximum flow of 40-50 l / s, developing a maximum pressure of 90 MPa at a minimum flow. Regulation of the pump flow from 5-20 l / s to the maximum is carried out stepwise by changing pistons and cylinder liners of various diameters (108-200 mm).

GOST 16293-82 "Complete drilling rigs for production and deep exploration drilling" provided for the transition to a complete set of drilling rigs with three-piston single-acting pumps. Currently, this transition has been completed, but for another 10-12 years, double-acting pumps (UNB-600) will be operated in deep drilling, and low-power double-piston double-acting pumps (UNB-600) for geological exploration, for the economic needs of deep drilling, in special works and oil production fields. , somehow NB-32; NB-50; NB-80; NB-125, 9T.

The applicability of three-piston single-acting pumps is distributed as follows:

1. NBT-475: BU1600 / 100EU; BU1600 / 100DGU.

2. NBT-600: BU2500 / 160DGU-M; BU2500 / 160DEP-1;

BU2500 / 160EP-1; BU2500 / 160EPK.

3. UNBT-950: BU3200 / 200DGU-1; BU3200 / 200EU-1;

BU3200 / 200EUK-2M; BU5000 / 320EU-1;

BU5000 / 320DER-1; BU5000 / 320ER-1;

BU5000 / 320DGU-1; BU6500 / 400DER.

4. UNBT-1180: BU8000 / 500ER.

Compared to two-piston double-acting pumps, these pumps have a number of advantages:

1. a large (almost 2 times) uniformity of solution supply is ensured;

2. the pulsation of the solution is reduced as a result of the use of spherical diaphragm compensators, which ensures a high performance;

3. the mass of the pump has been reduced by 25-35% and the installation capacity has been improved;

4. improved conditions for repair work and reduced repair time for servicing pumps in drilling;

5. increased service life at high pressures (30-40 MPa) and flow.

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Profile information

A graduate of the Department of MOGP is a wide-profile specialist and can be engaged in the development, design, research and testing of various equipment used both in drilling wells of any complexity, and in the operation of oil and gas fields. He receives knowledge and skills sufficient to use a set of equipment in the technological processes of the oil and gas industry. When solving applied technical problems, a modern engineer uses specialized computer programs, knowledge of which is acquired in the course of training. A student within the framework of the student scientific society has the opportunity to conduct scientific work on the profile of the specialty, gaining experience and knowledge, which, in the future, allows him to successfully compete in the labor market.
The specialists trained by the department are highly valued not only at the enterprises of the oil and gas industry, but also at machine-building plants of any profile.

• mechanical engineer (engaged in testing equipment for drilling deep wells and oil and gas production, choosing equipment for various conditions, operating and repairing it, introducing new technology, automating and mechanizing production processes).
• design engineer (engaged in the development of design and normative-technical documentation for equipment for the oil and gas industry; research of methods to improve the reliability and durability of equipment, development, design, research and testing of equipment for drilling wells and oil and gas production).

• Well drilling technique and technology;
• Technique and technology of mining and preparation of n / a;
• Hydraulic machines and compressors;
• Operation and repair of machinery and equipment in oil fields;
• Calculation and design of machinery and equipment for oil fields;
• Calculation and design of equipment for reservoir stimulation and pipelines;
• Oil country tubular goods;
• Oilfield equipment drives;
• Installation of drilling and n / a equipment ".

A graduate who graduated from this specialty can work:

• in various drilling and oilfield enterprises;
• at machine-building enterprises;
• in design institutes;
• in research laboratories.

Many graduates of the department have become the largest specialists and leaders of the industry:

• A.A. Shvarev - Chief Engineer "Glavneftemashremont" of the Ministry of Oil Industry, general manager JSC Neftemash, vice president of SIDANCO;
• L.A. Zakharov, General Director of OOO Severgazprom;
• S.V. Soloshenko - Chief Mechanic of OJSC Samaraneftegaz;
• E.F. Shabashev - President of NPP "Konteks";
• A.N. Kolesov - director of the Kameronvolgamash JV;
• OK. Nechaev - director of the joint venture for services in Siberia;
• V.P. Nesterov - head of the Kamyshinsky UBR, the mayor of Kamyshin;
• A.N. Gerasimov - Head of the Pervomaisky Department for Supervision of Oil Production Facilities of Rostekhnadzor and many others.

Samaraneftegaz OJSC, Volgaburmash OJSC, Ulyanovskneft OJSC, RussNeft Company, SURGUTNEFTEGAZ OJSC, BYTEKS LLC, VBM-Service LLC, SIB TRADE SERVICE CJSC, Slavneft-Megionneftegaz OJSC Orenburgneft OJSC.
Orenburg region:
1. NGDU "Buzulukneft"
2. CJSC "Orenburgneft",
3. NGDU "Buguruslanneft",
4. NGDU Vostok-Uralneft,
5. NGDU Yuzh-Orenburgneft,
6 NGDU Sorochinskneft,
7. CJSC "Progressive Technologies",
8. CJSC Remontnefteservis.
LLC "Management of Well Repair - Samara", CJSC "Otradnensky Gas Processing Plant", CJSC "Siberian Service Company", LLC "Neftegorskaya Base of Production Services", BASHNEFTOOO NGDU "Aksakovneft", LLC "Drilling Company" Eurasia "VMU ZSF LLC" BKE " , OJSC "Office for enhanced oil recovery and workover of wells", LLC "Drilling company" Eurasia "EGEB-2 ZSF LLC" BKE ", Branch" Tyumenburgaz "000" Burgaz "OJSC" Gazprom ", 000" PRS "636780, LLC Samaratransneft-terminal, Gazprom transgaz Samara LLC, Togliatti LPUMG, Promgeoservice LLC, Tomskneft OJSC, Varyeganneftgaz OJSC, Yuganskneftegaz OJSC, Tarkosalinskaya Oil and Gas Exploration Expedition OJSC, Neft Samarskiy Expedition Plant, CJSC LLC "ROSTEKHMASH" "Remmash-Service".

• OJSC Samaraneftegaz;
• Volgaburmash OJSC;
• LLC Samaratransneft-terminal;
• LLC "ROSTEKHMASH" "Remmash-Service".